MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ML classifiers and ClamAV as malicious. It contains a link farm pointing to multiple compromised WordPress sites, likely intended to trick users into downloading further malicious content. The presence of embedded URLs and the nature of the heuristics suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b74375137bb---bolanebanizazuxi.pdf In PDF document text
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608304ea3d491---radanegorokesinaranowejem.pdfIn PDF document text
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076a80fd8258---finekezelejubuw.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/1du24gv17tri3da3maijatjs20/57101865452.pdfIn PDF document text
- https://rugsinc.in/UserFiles/files/bopalan.pdfIn PDF document text
- http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cf03cb0b6b---zozijusotufilidoputo.pdfIn PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160bb7254cfdad---xopovakonoj.pdfIn PDF document text
- http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607324e9b868a---rewarewakire.pdfIn PDF document text
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/212790e9287a46cae81edc47908ad112/dexuwasafumalizev.pdfIn PDF document text
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ab22fd53e0---72682844030.pdfIn PDF document text
- http://banghetretunhien.com/media/ftp/file/50139980375.pdfIn PDF document text
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/38272d85af37d513d230647fd06b816d/xugibavode.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/477878d815ef9aa6b53964faf02d5669/83015042954.pdfIn PDF document text
- http://uniroll.pl/user_images/file/lugokofuwupemafovavazivo.pdfIn PDF document text
- https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bd9f8e8955d---mozugixenorudisigu.pdfIn PDF document text
- https://dalilak1.com/userfiles/file/dobeluboranamoxuxitek.pdfIn PDF document text
- https://www.mnspineandsport.com/wp-content/plugins/super-forms/uploads/php/files/d0bdc50bab5b01169fe2a7d48a775183/lewofapimodi.pdfIn PDF document text
- https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/b56d8a75bd0c7ff83098ea1b55ffc10c/66777253783.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b8346da339c---13531027999.pdfIn PDF document text
- http://bebelino.ru/userfiles/file/9250627292.pdfIn PDF document text
- http://riskhedgetech.com/uploaded/file/10892327606098e78a9453c.pdfIn PDF document text
- https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/ea90a95f35466059c887515ef15ca32f/xuluwowulowoxolinuv.pdfIn PDF document text
- http://judyzscotties.com/clients/1/1f/1f1ef5c9f72ce0e5bea5babf356718c6/File/21932204699.pdfIn PDF document text
- https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/4j1l5rbk5c79aicro6s5d923d0/76587851415.pdfIn PDF document text
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/c1e144f2fe35aa056c47e4edd6d8e897/11655204896.pdfIn PDF document text
- http://cuadepthanglong.com/images/ckeditor/files/97655203159.pdfIn PDF document text
- https://cosalesrep.com/wp-content/plugins/super-forms/uploads/php/files/7696452d5befc114ca7356f74c6d08b8/48306934798.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=experience+letter+format+in+wordPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f810.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF810 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011022.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11022 | 18004 bytes |
SHA-256: 7a932580525d9937fa15ae5b2012a28eb34d681756c29a4871b9379ef2929d23 |
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font_02_sfnt_off00013f63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F63 | 10784 bytes |
SHA-256: 45263df9545fa13f234338e0e600cc0539d42f4b8baf2054f2a4cef031229b42 |
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