MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs pointing to various domains, suggesting it functions as a link farm. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically flags this behavior, indicating a potential phishing or malware distribution scheme. No scripts were extracted, but the PDF structure itself is indicative of a malicious lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 5
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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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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://liantoong.com/archive/upload/files/2903906448.pdf In PDF document text
- http://www.hkrns.org.hk/ckfinder/userfiles/files/27439464892.pdfIn PDF document text
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16137e07a6a6ec---7077181943.pdfIn PDF document text
- http://mrs724.ir/basefile/drtiketcom/files/riwopawud.pdfIn PDF document text
- http://telegid.tv/userfiles/files/kidige.pdfIn PDF document text
- http://mabifitness.it/userfiles/files/zefadov.pdfIn PDF document text
- http://nextgenship.net/upload/file/20210928163284790682.pdfIn PDF document text
- http://rentbucharest.net/images/userfiles/pumud.pdfIn PDF document text
- http://ifa-astrologie.de/userfiles/file/20191238871.pdfIn PDF document text
- http://montereypark.kopanramen.com/uploads/files/silumazewepaz.pdfIn PDF document text
- https://ddmmaze.altruistictech.org/documents/img/upload/files/lomesobubopuworeju.pdfIn PDF document text
- https://thefertilizerequipment.com/d/files/sujajibojegadowazitidur.pdfIn PDF document text
- http://seattleteriyaki3.com/uploads/files/tudikisanuwisekowe.pdfIn PDF document text
- http://cariboohose.com/userfiles/file/62048087344.pdfIn PDF document text
- http://liderzy.natura2000.pl/imgturysta/files/93906213831.pdfIn PDF document text
- https://travelone.ae/userfiles/files/xekazavoxima.pdfIn PDF document text
- https://cupanghitam.com/contents/files/5489263908.pdfIn PDF document text
- http://123flower.doweb.kr/upload/files/33049963985.pdfIn PDF document text
- https://odlingfamily.com/userfiles/file/sebinizi.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/161391e6edd541---tunususawumoxi.pdfIn PDF document text
- https://blsautomation.com/ckfinder/userfiles/files/mugizamaluwivabulokogi.pdfIn PDF document text
- https://njshore.drinkpoint.com/uploads/files/96189046460.pdfIn PDF document text
- http://twtipa.com/upfile/files/2021/09/21/39274315337.pdfIn PDF document text
- http://tramtronbetong.com/uploads/userfiles/file/jixawobesagiwewi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=piv+sex+meaningPDF 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_off0000ae3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE3C | 15236 bytes |
SHA-256: a36ea2e191b4a16694ea98810cced178ae780959b0c9ef893c1110e04c9e53be |
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font_01_sfnt_off0000d47b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD47B | 10256 bytes |
SHA-256: 1fa850d62c19700f1699b565ce64efc2fa5ca960f36ff6b9137307f6fde6567c |
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font_02_sfnt_off0000eb8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB8E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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