MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan' and an ML classifier indicating maliciousness. The presence of a link farm with numerous distinct hosts, as identified by the PDF_SEO_DISPOSABLE_LINK_FARM heuristic, strongly suggests a phishing or malware distribution attempt. The document's structure and embedded URLs point towards an effort to redirect users to potentially harmful external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
Heuristics 5
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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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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://celeb.huh.hu/UserFiles/File/muzosajasaresujisutu.pdf In PDF document text
- http://german-ex.com/images/blog/file/robofitazutum.pdfIn PDF document text
- http://ultrabeauty-ff.ru/userfiles/file/zunudenidurorotogoko.pdfIn PDF document text
- http://sushi-belovo.ru/files/ropaxelegisivetawujex.pdfIn PDF document text
- https://rugsinc.in/UserFiles/files/60108428715.pdfIn PDF document text
- http://auxerretv.com/content/public/file/vajadebukaxo.pdfIn PDF document text
- https://letstravelforacause.com/miet/assets/files/desarusixuvaxolawu.pdfIn PDF document text
- http://quranday.org/userfiles/file/79953598444.pdfIn PDF document text
- https://yk-tech.com.tw/ckfinder/uploads/ckfiles/files/91597080825.pdfIn PDF document text
- http://kleinschadenexperte.de/userfiles/file/lakuzijikokogetud.pdfIn PDF document text
- http://balletpanov.com/uploads/files/bizizosuxotamefusutopuw.pdfIn PDF document text
- http://teamwork-poetschke.com/ckfinder/userfiles/files/4908778192.pdfIn PDF document text
- http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ed344d370c---bepupiwaxugedoj.pdfIn PDF document text
- http://franklcalabreseattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wakogalonirefemapi.pdfIn PDF document text
- http://magogaralbamoble.com/galeria/files/wewulugekofel.pdfIn PDF document text
- https://www.scmsgroup.org/ckfinder/userfiles/files/kutul.pdfIn PDF document text
- https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/8842d9f6faf1f41622a2615278d48e49/jerela.pdfIn PDF document text
- https://sainaudit.mn/File/vowodesajoze.pdfIn PDF document text
- http://xn----7sbezcba9a5aggb3j.xn--p1ai/ckfinder/userfiles/files/51321204704.pdfIn PDF document text
- https://0924055971.com/uploads/files/202109041519269937.pdfIn PDF document text
- http://bxbrdh.marketsearching.com/upload/files/53054739689.pdfIn PDF document text
- https://leavereview.com/customerinterview/ckfinder/userfiles/files/nujapudiwerenobekexefez.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=android+6+emojiPDF 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_off0000caf0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAF0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e302.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE302 | 19212 bytes |
SHA-256: 2111d32b57deb475bb6f7836410b8b1f7460d0aba87e36a6fc76af7ebba07484 |
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font_02_sfnt_off000114b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114B0 | 10216 bytes |
SHA-256: 4100ee33c6477921744eebd62ef4e764a1396a7e119f5c9d2e737aca4efe14c2 |
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