MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was identified as malicious by ML classifiers and ClamAV, indicating it likely contains malicious content. Heuristics reveal it functions as a link farm, with numerous embedded URLs pointing to potentially compromised websites or disposable hosting. These links are designed to lure users to external resources, which is a common tactic for phishing or distributing further malware payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://xn--b1adcbbai1bezln.xn--p1ai/content/File/9163885332.pdf In PDF document text
- http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/92277b7c987bd4f923882ee5eac3347e/89331084231.pdfIn PDF document text
- http://lyzph.com/userfiles/file/Fl202109080318368971.pdfIn PDF document text
- http://szyoujin.com/UploadFile/file/20210913055609665.pdfIn PDF document text
- https://sweetburden.com/upload/users/files/sefudikigowodapabog.pdfIn PDF document text
- http://baracenter.be/userfiles/file/zuvutinomi.pdfIn PDF document text
- http://katela.net/userData/board/file/40543388831.pdfIn PDF document text
- https://carlojans.com/cms/file/patodojutitutolet.pdfIn PDF document text
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16145018368f03---25477284063.pdfIn PDF document text
- https://www.sesc-am.com.br/Selecao/ckfinder/files/motadekoziwonuwesogebu.pdfIn PDF document text
- http://biosafety.biz/ckfinder/userfiles/files/764795967.pdfIn PDF document text
- http://nanouklid.cz/upload/file/78261632515.pdfIn PDF document text
- http://wadirumshootingstars.com/userfiles/file///tatuvosotaru.pdfIn PDF document text
- http://opsir.eu/files/file/ditufevemopupowaji.pdfIn PDF document text
- http://fastbeatbattlerider.saint-fun.com/assets/upload/files/35061414639.pdfIn PDF document text
- http://zhengfutz.com/v15/Upload/file/20219121345162901.pdfIn PDF document text
- http://cainghienbinhduong.com/uploads/userfiles/file/80009728566.pdfIn PDF document text
- http://davidhammerstein.org/ckfinder/userfiles/files/kifovef.pdfIn PDF document text
- https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/tufelejigawixijusoza.pdfIn PDF document text
- https://kp-bs.ru/upload/files/labidipevavozikipejamub.pdfIn PDF document text
- https://intersat.lv/files/file/pamarefidewerekatorafidaz.pdfIn PDF document text
- https://turbooto.vn/upload/files/xuris.pdfIn PDF document text
- http://www.iciparis.ru/ckfinder/userfiles/files/19824576604.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=how+to+connect+iphone+hotspot+with+androidPDF link annotation
- https://lapdonline.org/file/merukerazid.pdfIn PDF document text
- 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_off0000d170.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD170 | 10644 bytes |
SHA-256: 7a9fcf53bb3b57ea59dd9cba597476092c533d998f4016691adf537d8dd8a1ae |
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font_01_sfnt_off0000e9c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9C8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000101da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101DA | 18516 bytes |
SHA-256: 441c28e78aa2409fc0db1c81918b506b175a60c85f0bf36bb1919d943ad79aa1 |
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