MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, many of which point to PDF files on disposable hosting, indicating a link farm or redirection scheme. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing or malware distribution lure, likely leveraging T1566.001 (Spearphishing Attachment) as the initial access vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
Heuristics 5
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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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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://nomylo.ru/uplcv?utm_term=wpa+wifi+hack+app+for+android PDF link annotation
- http://at2apigroup3.com/contents/files/pirutebajanaba.pdfIn PDF document text
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb32c60f3b---81796220218.pdfIn PDF document text
- http://swapnakoodu.com/fck_uploads/file/96088442703.pdfIn PDF document text
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/57meippo1nksok9fi7snl66ihd/bulanomuwigobavagefunapol.pdfIn PDF document text
- https://onsale.social-push.cc/data/fckeditor/files/57055658803.pdfIn PDF document text
- https://suncables.co/images/file/sisemotijedovewew.pdfIn PDF document text
- https://hearing-outlet.com/uploads/files/202109151317256238.pdfIn PDF document text
- http://kimkhimientrung.com/uploads/image/files/47452301764.pdfIn PDF document text
- http://backkwang.com/userData/board/file/naxenumideruvujinid.pdfIn PDF document text
- https://bushregenerators.com/userfiles/files/16494743242.pdfIn PDF document text
- http://zdrowejaja.com/Upload/file/26668916418.pdfIn PDF document text
- http://frutapac.com/ckfinder/userfiles/files/fewusizoxinot.pdfIn PDF document text
- http://bugaboo-buffalo.eu/UserFiles/File/dakazosupabawezusazot.pdfIn PDF document text
- http://mybed.tw/uploads/files/202109130355213294.pdfIn PDF document text
- https://samsungklima.net/upload/ckfinder/files/55574781621.pdfIn PDF document text
- http://hangquangauto.com/files/kotojulo.pdfIn PDF document text
- http://chanhungcorp.com/images/uploads/files/4978643948.pdfIn PDF document text
- https://mahanakhon.pacedev.com/ckupload/files/nevolagipune.pdfIn PDF document text
- https://sanidom.pl/img/file/kemulusekovusupate.pdfIn PDF document text
- http://xn--2-140-swe8h.xn--p1ai/files/bizositajapumakisab.pdfIn PDF document text
- http://sromedical.com/file_media/file_image/file/rikezijajazuz.pdfIn PDF document text
- http://s8radziejowice-paszkow.pl/userfiles/file/40155205183.pdfIn PDF document text
- http://wenyanchem.com/upload/files/zenebobasezifimanu.pdfIn PDF document text
- 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_off0000d4d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4D0 | 16696 bytes |
SHA-256: 4a9f03782d55b0b168e739a9ceb794476703027d8d32ce5e87816fbdce421091 |
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font_01_sfnt_off0000ffd0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFD0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000117e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117E7 | 10444 bytes |
SHA-256: c1c71715d058795c2f2a7a2bf0ea230700003a93e4f94ed131eb13874fb9ded7 |
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