MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV and an ML classifier, indicating it's a phishing or trojan PDF. It contains numerous embedded URLs, many of which are hosted on disposable domains and appear to be part of a link farm, suggesting a redirection scheme to malicious sites. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a tactic to obscure the final destination. No scripts were extracted, but the presence of external URIs points to a drive-by download or phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://smidgel.ru/uplcv?utm_term=555+spiritual+number+meaning PDF link annotation
- https://brawlcall.com/ckfinder/userfiles/files/37215160846.pdfIn PDF document text
- http://schokoladenbrunnen.de/idata/95217466727.pdfIn PDF document text
- https://aihr-iadh.org/uploads/FCK_files/file/jatibisitepafojugututal.pdfIn PDF document text
- http://jatechkj.pl/upload/fck/file/25443700525.pdfIn PDF document text
- https://transturist.ba/ckeditor/ckfinder/files/files/tinene.pdfIn PDF document text
- https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/550ebf80e20d7587cdfdca2388de7023/najumanevidanozovezanutej.pdfIn PDF document text
- http://scuderieverdina.it/scuderia/userfiles/file/xumazudimubumupomevejofe.pdfIn PDF document text
- http://bdsps.org/slbdavbatala/userfiles/file/winusodujawujax.pdfIn PDF document text
- http://letsbelegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/41238971254.pdfIn PDF document text
- http://fskyok.com/uploadfile/files/fexaxavaxovevoravupevux.pdfIn PDF document text
- http://vers-ma.de/userfiles/file/gipezaroxakonosojowu.pdfIn PDF document text
- http://kingtonkatsu.com/uploads/files/nizaruzow.pdfIn PDF document text
- http://aimecostruzioni.it/userfiles/files/pasujigida.pdfIn PDF document text
- http://tatvideo.ru/ckfinder/userfiles/files/62974644526.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/52c892e762f17b160345260acbc7a662/gigugade.pdfIn PDF document text
- http://mn-print.ru/ckfinder/userfiles/files/nodiwi.pdfIn PDF document text
- http://tulga.ru/editor/files/72853584183.pdfIn PDF document text
- http://pegastelco.com/pictures/files/80876128686.pdfIn PDF document text
- http://gcoekmr.org/cukashmir/User_Files/imagefile/10319507834.pdfIn PDF document text
- http://www.ruben.pl/ckfinder/userfiles/files/64243938527.pdfIn PDF document text
- http://nmways.com/uploads/fckupload/file/6224131601.pdfIn PDF document text
- http://aodaibooking.com/FileData/ckfinder/files/20210906_AD76468AC6DC460B.pdfIn PDF document text
- http://lafenicealcamo.it/userfiles/files/jujalosolejudom.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_off0000c9ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9EE | 17800 bytes |
SHA-256: d5c1e154f307c73e66f4f8299770f995a7e786ad995cd7fe65401a24bdf5ef72 |
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font_01_sfnt_off0000f769.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF769 | 10752 bytes |
SHA-256: c397a9235ac421eefd3ba930b0ca99acbf3097e2c6a1825b8769733f843743db |
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font_02_sfnt_off00010fe3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FE3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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