MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and ClamAV detection strongly indicate maliciousness. The 'SE_CALLBACK_LURE' heuristic confirms the document's intent to trick users into calling a phone number, a common tactic in phishing and tech-support scams. While no scripts were explicitly extracted, the PDF structure and embedded URIs suggest it's designed to lead users to malicious sites or initiate fraudulent calls.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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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 https://qualitygums.com/userfiles/file/febejazijidi.pdf In PDF document text
- http://aquatherm-graz.at/files/fetotuv.pdfIn PDF document text
- http://lrm.mcdonalds.ua/ckfinder/userfiles/files/53476924868.pdfIn PDF document text
- http://www.annaleehuber.com/content_files/file/28043875411.pdfIn PDF document text
- http://infosierra.es/images/editor/gitadakekeroku.pdfIn PDF document text
- https://highfieldhousehotel.net/nbloom/fckuploads/file/rerigela.pdfIn PDF document text
- https://dom4m.by/userfiles/files/13080532254.pdfIn PDF document text
- https://reazfarah.com/ckfinder/userfiles/files/32089070564.pdfIn PDF document text
- http://fmi.lu/userfiles/files/45962888162.pdfIn PDF document text
- http://hotelbasantresidency.com/uploads/xajinirom.pdfIn PDF document text
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16134fb6c078bf---32879561828.pdfIn PDF document text
- https://dolnoslaskialarmsmogowy.pl/imgturysta/files/5759594568.pdfIn PDF document text
- http://55pluscommunityspecialist.com/userfiles/files/20403633984.pdfIn PDF document text
- https://istanajpdua.com/contents/files/jefokunevurikuda.pdfIn PDF document text
- https://inks.bg/userfiles/file/85719532739.pdfIn PDF document text
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ac47f270b9---52385773673.pdfIn PDF document text
- http://infas.cz/images/wiswig/file/kijogivirisodox.pdfIn PDF document text
- https://marblobaths.com/app/webroot/img/files/87688975050.pdfIn PDF document text
- http://solamsys.com/userData/board/file/jojapisikojowemi.pdfIn PDF document text
- http://stowarzyszeniemalyksiaze.eu/img/upload/files/wodebilifanuxok.pdfIn PDF document text
- http://bulgankhangai.mn/userfiles/files/bidowinozanisaduwobomeban.pdfIn PDF document text
- http://mopron.ru/upload/files/bolemoxobubopijosorazorom.pdfIn PDF document text
- http://personnelstrategies.net/userfiles/file/43303500523.pdfIn PDF document text
- http://the100voicesofgospel.de/fichiers/newsletter/file/4052381477.pdfIn PDF document text
- http://briztravel.com/upload/files/deteduwovokoje.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=tab+all+my+lovingPDF 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_off0000ed2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED2D | 18808 bytes |
SHA-256: 91824fffa2414f1c4bcf5417514f13e8fb9a8e2484cbf5686be33374ead593fc |
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font_01_sfnt_off00011e5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E5D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013674.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13674 | 10236 bytes |
SHA-256: 75df0e66d85169a99f858e1c8af1c449f703f9605c6d862738b128678f10a725 |
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