MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a PDF link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or SEO poisoning campaign. The embedded URLs, while numerous, do not appear to be directly executable but serve as lures to external malicious content.
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 http://asztalosweb.hu/userfiles/file/mizomipopawerepikigomo.pdf In PDF document text
- http://haciogullari.com/depo/sayfaresim/file/roxejomeperibajeketodevi.pdfIn PDF document text
- https://ekoelprom.pl/public/images/editor/file/xopixetamefete.pdfIn PDF document text
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/e398f7c60b0d200630598a9eacc88b0a/36789605011.pdfIn PDF document text
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16138099355d72---gugokimebesefakekomi.pdfIn PDF document text
- https://livnica-metalurg.com/images/pages/file/liwigedexamedoji.pdfIn PDF document text
- https://newsru.md/upload/userfiles/files/33003752852.pdfIn PDF document text
- https://magnettoptan.com/upload/ckfinder/files/62212431676.pdfIn PDF document text
- https://horkolas-gatlas.hu/ufiles/file/45260009910.pdfIn PDF document text
- http://sahcarpets.com/userfiles/file/fevubogomorom.pdfIn PDF document text
- https://thietbivesinhanhhuy.com/asset/files/lepimigujezugatobajutu.pdfIn PDF document text
- https://royal-art.pl/uploads/userfiles/files/95946634186.pdfIn PDF document text
- http://cluboutletmoto.net/campannas/file/46620025633.pdfIn PDF document text
- http://nathulaldasptti.com/ckeditor/ckfinder/userfiles/files/logakodakusopusete.pdfIn PDF document text
- https://organicearthfiji.com/documents/file/fazunorozufomufajigoja.pdfIn PDF document text
- https://www.gurkhasfinance.com.np/ckfinder/userfiles/files/28607561135.pdfIn PDF document text
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135282960c22---93233882063.pdfIn PDF document text
- https://endobible.com/userfiles/file/bavipuwefagomuj.pdfIn PDF document text
- http://architettipassarinmarzotto.com/userfiles/files/ziwokeva.pdfIn PDF document text
- http://getwealthythisyear.com/ckfinder/userfiles/files/58189285356.pdfIn PDF document text
- http://omatsuri.kr/data/userfiles/files/30181337410.pdfIn PDF document text
- https://tuvanthietke13-5.com/webroot/img/files/19169656546.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=android+level+1+logo+quizPDF 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_off0000b12e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB12E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c940.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC940 | 14936 bytes |
SHA-256: f94f93750b2f5548e3576194b99e0224d91fe4289192e93bce833cbfea205173 |
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font_02_sfnt_off0000eed4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEED4 | 10400 bytes |
SHA-256: 3d913372d8abb861bed7966f1640e86068a86427dbf2f7799b3f220138a59b72 |
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