MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected by ClamAV as Pdf.Phishing.Trojan and flagged by an ML classifier as malicious. Heuristics indicate it is a link farm and a callback phishing lure, suggesting the document's purpose is to trick users into calling a fraudulent support number. No scripts were extracted, but the PDF structure itself is indicative of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://ucokampen.com/media/files/99524971660.pdf In PDF document text
- http://dc-a0dcf319a153.breakthroughsport.com/userfiles/files/tunefibosenof.pdfIn PDF document text
- http://gorsilawfirm.com/userfiles/file/99780288878.pdfIn PDF document text
- https://vientangluc.com/upload/files/venesuvelujakap.pdfIn PDF document text
- https://safetypadlocks.eu/eurostyl/photos/file/betekadukedorox.pdfIn PDF document text
- https://www.naabelectric.com/userfiles/files/22652112987.pdfIn PDF document text
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/f6ff930c66155b4126bceff9d0648f67/dukujesalidonifi.pdfIn PDF document text
- https://dammesliepas.lv/ckfinder/userfiles/files/16006620308.pdfIn PDF document text
- http://missteenqueenuk.com/userfiles/file/56209748536.pdfIn PDF document text
- http://brilsports.ro/userfiles/file///68378530944.pdfIn PDF document text
- https://andrejc.si/files/file/vavuvejisevomenaxor.pdfIn PDF document text
- http://hidrometa.com/images_upload/files/77400442410.pdfIn PDF document text
- http://viswinkelindex.nl/images/uploads/lusilije.pdfIn PDF document text
- https://abofahed.com/userfiles/file/kuwewizugemazuzo.pdfIn PDF document text
- https://cahayaapi1.com/contents/files/karamopuzijuvapisi.pdfIn PDF document text
- http://web-news.eu/www/pkpar/userfiles/file/figorukigaborabopeniwi.pdfIn PDF document text
- http://www.urbanwaterways.info/files/77349479289.pdfIn PDF document text
- http://studiovalentini.eu/userfiles/files/jarodime.pdfIn PDF document text
- https://eseninternational.com/uploads/files/88577401815.pdfIn PDF document text
- http://tindangnhadat.vn/upload/files/62817045180.pdfIn PDF document text
- http://acudrved.com/ckfinder/userfiles/files/fufixotej.pdfIn PDF document text
- https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e8e4d954a5---pivikaxibat.pdfIn PDF document text
- http://www.tobywells.org/media/fckdir/file/tunebiv.pdfIn PDF document text
- https://reparationmobile.net/userfiles/file/15582433088.pdfIn PDF document text
- http://educaholistica.com/resources/img/imagesck/files/16227529572.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=how+do+i+delete+search+history+on+my+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_off0000bca8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCA8 | 17424 bytes |
SHA-256: c9a63e4c473fc3db68b13b0078b3168058feec24c15753f1857b20fbb73cdc87 |
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font_01_sfnt_off0000e930.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE930 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010147.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10147 | 10828 bytes |
SHA-256: 55ba40f321324a462336e06979f3a2b7e0e23608bd8851d7f0fa15909d8eded0 |
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