MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple external websites, some hosted on compromised CMS platforms. The presence of numerous unknown URLs suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 6
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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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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 http://naturallabs.fr/userfiles/file/2503703403.pdf In PDF document text
- http://klccpa.com/userfiles/file/mubajilo.pdfIn PDF document text
- http://cropscipublisher.com/files/upfiles/file/vajufemawuv.pdfIn PDF document text
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160f6ca2611cc6---kiwumabagexurise.pdfIn PDF document text
- http://snp-ent.com/files/fckeditor/file/163799993761266b1ac89df.pdfIn PDF document text
- https://cfacgroup.com/uploads/FCK_files/file/giluwigipowiw.pdfIn PDF document text
- http://detaycopymatbaa.com/userfiles/file/korowedinufu.pdfIn PDF document text
- https://muzpony.de/obrazki/file/tikixabe.pdfIn PDF document text
- https://chaletsuenodesol.de/files/74365557321.pdfIn PDF document text
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/a6e7d84b1a7cb20b0fe017831ce0a962/vupukodevujuvuzidugojof.pdfIn PDF document text
- http://placc.info/up_image/92884787410.pdfIn PDF document text
- https://lacecinella.com/writable/public/userfiles/file/5218927875.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/2c6l7jt05009egjobnbas16bl0/senijegirapojizef.pdfIn PDF document text
- https://bilegt.mn/userfiles/files/zufagabejobizogujufalabas.pdfIn PDF document text
- https://shared401k.com/wp-content/plugins/super-forms/uploads/php/files/74f2bff4be55b77c71026ad67809d6cd/50218514846.pdfIn PDF document text
- http://enjoy.sk/editor_uploads/system/files/zuxewademev.pdfIn PDF document text
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e02c14d66c6---kufajinavikaxasuro.pdfIn PDF document text
- http://compsult.net/userfiles/file/wetow.pdfIn PDF document text
- http://teraval.cz/res/file/luvujevixot.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c7fafec740---52179838361.pdfIn PDF document text
- http://ipceurope.eu/assets/file/jisozisefawof.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=the+crows+nest+bar+and+grillPDF 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_off0000cbf1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBF1 | 17052 bytes |
SHA-256: 711692982e5235b487e9f243c7196a25520b10ae58e03a6c353ef7d71687c245 |
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font_01_sfnt_off0000f7be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7BE | 10840 bytes |
SHA-256: 80ae04e8f0d2a5e0015e1da87411f408f6eb2e3368280bd6f31ed7bda4ea882a |
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font_02_sfnt_off00011095.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11095 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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