MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The file was detected as a phishing trojan by ClamAV and flagged by an ML classifier. Heuristics indicate it is a link farm on disposable hosting and contains a callback phishing lure, prompting the user to call a phone number. While no scripts were extracted, the PDF structure and embedded URLs suggest an attempt to direct the user to malicious content or initiate a fraudulent phone interaction.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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 http://volkshilfe-ktn.at/images/content/files/xazeloboweve.pdf In PDF document text
- http://olsztyntransportmedyczny.pl/userfiles/file/wasadiwav.pdfIn PDF document text
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e3966182fa---jigojizovivumanasuxule.pdfIn PDF document text
- https://www.cascatai.com.br/ckfinder/userfiles/files/rujesowasolukex.pdfIn PDF document text
- http://brno-skoleniridicu.cz/ckfinder/userfiles/files/zezefadegaseduwaf.pdfIn PDF document text
- http://lasfyy.com/uploadfile/file/20210927155223961.pdfIn PDF document text
- http://teplolux72.ru/upload/file/53389358171.pdfIn PDF document text
- http://www.domplit2006.ru/ckfinder/userfiles/files/laralifatigurusew.pdfIn PDF document text
- http://radtel-sport.pl/userfiles/file/28009668278.pdfIn PDF document text
- http://parfumerieindex.nl/images/uploads/81796092362.pdfIn PDF document text
- https://al-farh-iq.com/upload/userfiles/file/pafugofipafasar.pdfIn PDF document text
- http://sonhanint.com/uploadpic/sun/files/202109251803368517.pdfIn PDF document text
- https://aspirecambodia-edu.org/userfiles/file/63634314683.pdfIn PDF document text
- http://www.euro-fly.eu/userfiles/files/21550720880.pdfIn PDF document text
- https://hchoanglong.vn/userfiles/file/wixigazafu.pdfIn PDF document text
- http://bestofbeer.ru/ckfinder/userfiles/files/93647469449.pdfIn PDF document text
- http://nemochem.cn/upload/files/55729152083.pdfIn PDF document text
- http://word.mn/uploads/assets/widawed.pdfIn PDF document text
- https://vanrun-it.nl/userfiles/files/21839647262.pdfIn PDF document text
- http://duszek-lasu.pl/userfiles/file/sowesadaral.pdfIn PDF document text
- https://morganmethod.com/ci/userfiles/files/49233495379.pdfIn PDF document text
- http://luxcottage.ru/stroykamen/userfiles/file/zonikujodijolugawebivobe.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+share+location+indefinitely+on+iphone+to+androidPDF 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_off0000b1b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1B4 | 19036 bytes |
SHA-256: fa9abefc564034261adf6d44ab6860b5f8abd4a7b6350380374bfb32492b87ce |
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font_01_sfnt_off0000e288.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE288 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fa9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA9F | 10908 bytes |
SHA-256: e6ea7f25eec44291ab00ed439481af9aa9b14c711a95b9a9f33f8076ef903087 |
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