MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains multiple heuristics indicating it is a link farm and a phishing lure, with one heuristic specifically flagging it as a callback phishing attempt. The presence of a raw IP address in a URI and numerous links to disposable domains further supports this. ClamAV detection as 'Pdf.Phishing.Trojan' confirms the malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://thaoduocquyhiem.com/userfiles/image/file/woduwidemi.pdf In PDF document text
- http://smartvoicecom.com/userfiles/lemalataso.pdfIn PDF document text
- http://recit-de-vie.fr/userfiles/file/vozajafivoveto.pdfIn PDF document text
- http://xn--2o2b17g32e8xisqq.com/userData/board/file/88805734058.pdfIn PDF document text
- http://joltiy.ru/uploads/files/54142332982.pdfIn PDF document text
- http://140.121.180.103/ckfinder/userfiles/files/28846785486.pdfPDF link annotation
- http://cukrarnakolbaba.eu/obrazky/files/lotedugoma.pdfIn PDF document text
- https://mcq-exambd.bdbabymart.com/app/webroot/ckfinder/userfiles/files/tiloduja.pdfIn PDF document text
- http://coming-c.com/userfiles/file/22461140233.pdfIn PDF document text
- https://mudrun.com/home/mud/public_html/ckfinder/userfiles/files/wefir.pdfIn PDF document text
- http://xn--80aafmoni2biho.xn--p1ai/admin/ckfinder/userfiles/files/kirabemogamezoge.pdfIn PDF document text
- http://spy-military-labs.com/userfiles/file/gijuxu.pdfIn PDF document text
- https://www.piramideidiomas.com/ckfinder/userfiles/files/31536327968.pdfIn PDF document text
- http://tcyy88.com/userfiles/file/2021090201010273499.pdfIn PDF document text
- http://peneleos.pl/userfiles/file/93364665326.pdfIn PDF document text
- http://oiseau-bleu-morzine.com/userfiles/file/46867629353.pdfIn PDF document text
- http://anoh.net/pds/userfiles/files/91731801979.pdfIn PDF document text
- http://dga.gr/ILC/img/file/18291995984.pdfIn PDF document text
- http://cesnek-vysocina.cz/UserFiles/File/80198328269.pdfIn PDF document text
- http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/duzerupapimaf.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/161330f1119358---mesibobukasofoxudimefula.pdfIn PDF document text
- http://cartonwrappingmachine.com/userfiles/file/30905062698.pdfIn PDF document text
- http://ryanoomen.nl/uploadimages/files/64374320141.pdfIn PDF document text
- http://dispensapertutti.com/userfiles/files/61521180946.pdfIn PDF document text
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e5675f0159---tewodotuno.pdfIn PDF document text
- http://banhangcongnghe.com/upload/FCK/file/90099506661.pdfIn PDF document text
- https://cecprint.com/images/file/kuzupipoban.pdfIn PDF document text
- http://austria-ex.com/images/blog/file/49773676030.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=call+of+duty+unblockedPDF 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_off0000db05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB05 | 17588 bytes |
SHA-256: fcdb06ac5fba7fb64b2e34aca8e760ab48675baa3b508fe23658c863033db2c8 |
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font_01_sfnt_off000108fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108FE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012115.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12115 | 10588 bytes |
SHA-256: 338a6369ae6bb825718ab8815a0adff038c6d787cd8592a1b182c4f052a41244 |
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