MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which are part of a link farm hosted on disposable domains, indicating a strong intent to redirect users to potentially harmful content. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, suggesting the document is designed to host many links. No scripts were extracted, but the overall structure and heuristics point to a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9924
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://chcial.ru/uplcv?utm_term=pro+android+c%2B%2B+with+the+ndk+pdf PDF link annotation
- http://hzeiger.com/userfiles/file/mezilulisise.pdfIn PDF document text
- https://loyalangkorapartment.com/userfiles/file/fezudatutis.pdfIn PDF document text
- https://mimpidia2.com/contents/files/12783191688.pdfIn PDF document text
- http://bscartridge.com/pic/38382499051.pdfIn PDF document text
- http://gldbirdgel.com/user_img/files/82679837985.pdfIn PDF document text
- http://affectif.ro/data/Image/file/86068525906.pdfIn PDF document text
- https://pet-fashion.ro/mm/file/13513587460.pdfIn PDF document text
- http://infrabud.eu/fckpliki/file/73028348968.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1614a2496daec0---supoxitosunurakudod.pdfIn PDF document text
- http://rrmkaryacollege.org/rrmkarya/userfiles/file/11411662743.pdfIn PDF document text
- http://shamayachts.com/upload/file/doxekiduzap.pdfIn PDF document text
- http://melly-incendie.fr/img_db/wonoz.pdfIn PDF document text
- http://wiskind.com/filespath/files/20210916030139.pdfIn PDF document text
- https://spandoekland.nl/userfiles/file/bavajuxafeloxoxabetap.pdfIn PDF document text
- http://soncongnghiepjotun.com/media/ftp/file/besuxoxavojifigafomo.pdfIn PDF document text
- https://detectagsafety.com/ckfinder/userfiles/files/wopizobabozunav.pdfIn PDF document text
- http://svx.su/ffile/file/welinupapexusoxofodenazi.pdfIn PDF document text
- http://elfuklid.cz/foto/Image/file/6977933931.pdfIn PDF document text
- http://euroteam.vn/ckfinder/userfiles/files/xugupinazabiritog.pdfIn PDF document text
- http://www.bluefashion.cz/ckfinder/userfiles/files/43292783122.pdfIn PDF document text
- http://tauroconsulting.pl/userfiles/file/87485198672.pdfIn PDF document text
- http://investinwielkopolska.pl/application/lib/ckfinder/userfiles/files/dufinodilugemuduge.pdfIn PDF document text
- https://tutorsbureau.net/userfiles/file/zajebikurabijakuxawazi.pdfIn PDF document text
- http://dominant.name/userfiles/file/vekot.pdfIn PDF document text
- http://ros-grad.ru/fck_editor_files/files/duwitofuveduxututavisofel.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d42d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD42D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ec3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC3E | 16756 bytes |
SHA-256: 1b2def62ecf4544539e2a1f9ec344c1657f00a2750d36a5eec4db46c099f19a1 |
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font_02_sfnt_off0001044b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1044B | 25724 bytes |
SHA-256: 0a08bc0f340591f66dd9a050280f51ca692d59ddfea36ab490ab7cea902d7679 |
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font_03_sfnt_off0001436b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1436B | 10680 bytes |
SHA-256: e1f2f3175898d4cbb269107de8b4d53b4d4a8425af5f6c3d17fb9660b770cf0a |
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