MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier with high confidence. It contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. While no scripts were explicitly extracted, the PDF structure and link farm heuristic indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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 https://learn-atdi.com/uploads/files/32542737435.pdf In PDF document text
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608ec9d256aaa---23198767394.pdfIn PDF document text
- https://vresponse.net/userfiles/file/81698768373.pdfIn PDF document text
- https://ntwbearing.com/UserFiles/File/30928275482.pdfIn PDF document text
- http://fantasymusic.it/userfiles/files/58228629356.pdfIn PDF document text
- http://beateromer.com/bilder/file/benezawejidezavalinez.pdfIn PDF document text
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4cc59d15c---14149099560.pdfIn PDF document text
- http://chinoboxingclub.com/clients/36032/File/3509698943.pdfIn PDF document text
- https://citytrafik.nu/images/file/98553092629.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606eb18be07bf---fukoxefegozuged.pdfIn PDF document text
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160b7d20cdf406---temawivaxutumikazi.pdfIn PDF document text
- https://rdw-wolf.de/backend/ckfinder/userfiles/files/jomafeletexikab.pdfIn PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608980c3732a3---70585552819.pdfIn PDF document text
- http://d4scanada.com/clients/8/81/81a8d3ecf29e0a7d9042e8364394d873/File/tetekopazarikere.pdfIn PDF document text
- https://oteaexpert.fr/cite_imgs/file/kikirimerilupabivamezixuj.pdfIn PDF document text
- https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/18dba954502a08d5ac0331f482648779/6802218190.pdfIn PDF document text
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c658495fde5---56424686186.pdfIn PDF document text
- http://dangkykinhdoanhkiengiang.com/upload/ck/files/saxejarekozuxi.pdfIn PDF document text
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b010a7d1b59---menaguwozijeserekunale.pdfIn PDF document text
- http://debsecond.net/UserFiles/File/jerufamimimovusuzobexuma.pdfIn PDF document text
- http://plafondchauffant.fr//img/user/file/68837556493.pdfIn PDF document text
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/955243075499bb0122d2ea5faad2a4d2/14912347889.pdfIn PDF document text
- http://fairway.cc/images/blog//file/pewobatu.pdfIn PDF document text
- http://cosonhuath.com/hinhanh_fckeditor/file/mutilaxebujotefopu.pdfIn PDF document text
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081e27ebd254---gekewuvivojonifotid.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=how+to+create+a+branch+in+github+repoPDF 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_off0000ec8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC8B | 17964 bytes |
SHA-256: 0b9104fd441d06df95fd1e6e9162d707413f7fddfd1e419ff4fe8fc0a092bb87 |
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font_01_sfnt_off00011c4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C4F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013466.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13466 | 10756 bytes |
SHA-256: 2eeda4a5f385aea3b72280dd0debc418d77b849f3468ca7280a3cb29b3eb3350 |
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