MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1204.002 User Execution: Malicious File
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a callback-phone (TOAD) lure and a remote-support lure. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 7
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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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Remote-support tool lure high SE_REMOTE_SUPPORT_LUREDocument instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
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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://chinajessie.com/seadata/data/uploads/img/file/16311078878.pdf In PDF document text
- http://tinhdauvietnam.vn/upload/files/voxafogemetiwefurepaniwab.pdfIn PDF document text
- https://labelmarket.pl/data/file/vurojiwoviral.pdfIn PDF document text
- http://yourtruck.be/upload/ckeditor/file/gudibulaxalexidaxe.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1613032255a663---74206541785.pdfIn PDF document text
- http://wingmanresearch.com/userfiles/files/15410527643.pdfIn PDF document text
- http://liqaa-lb.com/files/userfiles/files/38420788221.pdfIn PDF document text
- http://texinpack.com/uploadfile/file///2021090514451948.pdfIn PDF document text
- http://chernogolovka.inhome360.ru/admin/ckfinder/userfiles/files/42662645525.pdfIn PDF document text
- https://tvmreza.tv/ckfinder/userfiles/files/4962965184.pdfIn PDF document text
- https://marblobathware.ph/app/webroot/img/files/42312981041.pdfIn PDF document text
- https://mkontakt.pl/dat/file/niwazoforafami.pdfIn PDF document text
- http://nissanotogovap.com/uploads/images/files/marewunefokojafu.pdfIn PDF document text
- https://casasholidays.com/scgtest/team-explore/uploads/files/jarulujupisifadub.pdfIn PDF document text
- https://atkarisuli.hu/userfiles/file/84426678886.pdfIn PDF document text
- http://novichiha.ru/pic/file/50177316221.pdfIn PDF document text
- http://intertribo.sk/files/68608032146.pdfIn PDF document text
- http://elcolono.net/userfiles/files/jobajeguros.pdfIn PDF document text
- http://www.c-l-r-p.com/admin/ckfinder/userfiles/files/43867971929.pdfIn PDF document text
- http://srmtteaparty.com/uploads/files/202109012215576787.pdfIn PDF document text
- http://deshdunya.com/blogimage/file/gatelarogibe.pdfIn PDF document text
- http://amoy-art.com/Upload/file/45180101215.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=ps1+apk+downloadPDF 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_off0000d7e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7E2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eff9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFF9 | 10192 bytes |
SHA-256: 4e99b34fd1fe4e94ec94a61792966bf7fcbb0febb37a157f6a642ebc1b720e60 |
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font_02_sfnt_off00010703.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10703 | 18168 bytes |
SHA-256: d115627b3e0d410f85a1cd12895beb718fd2ac85d5d611e9074d1bd1bd1bb8fc |
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