MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm with numerous external URIs pointing to potentially malicious domains, suggesting a phishing or malware distribution scheme. Although no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of an attempt to redirect users to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.5932
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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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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://oniceh.ru/uplcv?utm_term=the+killing+joke+comic+read+online
- http://resheto.ru/users_images/fck/file/40475101280.pdf
- http://wolfpackbasketballacademy.com/content_docs/rupixekesew.pdf
- http://vantaidongsaigon.com/uploads/files/54935018341.pdf
- http://videocycling.info/files/file/51920950099.pdf
- https://eurotig.ro/file/jivubodebovem.pdf
- https://creteotels.gr/FCKeditor/userimages/file/jebupelaxurufilapada.pdf
- https://autonoleggioassereto.com/file/jubokoxunogugumaj.pdf
- http://lemma-studio.pl/userfiles/file/82538644534.pdf
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c66ac563c3---zizefeju.pdf
- https://littleitalypizzany.com/nbloom/fckuploads/file/sululinibolu.pdf
- http://nhuaduongnhapkhauaz.org/upload/files/wufokobomibimofabak.pdf
- https://associazionedynamica.it/uploads/file/42806161442.pdf
- https://marblo.marblobaths.ph/app/webroot/img/files/jagofineropoborapudagudom.pdf
- http://belgium-ex.com/images/blog/file/vuzurepikutiwoxepofab.pdf
- http://m-camper.ru/ckfinder/userfiles/files/11763920389.pdf
- http://cctechlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/guxupedipevajaz.pdf
- http://mrcubezpieczenia.pl/app/webroot/media/files/joxezopalovuwimizejulem.pdf
- http://www.lovebliss.tw/UserFiles/files/34149910702.pdf
- https://karatenarrewarren.com.au/ckfinder/userfiles/files/wikizepawojejeramoluwekis.pdf
- https://capital-publishing.com/ckfinder/userfiles/files/wotiraxuxijifujid.pdf
- https://nitm.ac.in/nitmeghalaya/ckfinder/userfiles/files/99503617152.pdf
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/48ab093fb6ee8df78b9c1093cc269a66/45103527604.pdf
- https://bczenekar.hu/files/file/vokeserijozilag.pdf
- http://rafaelstore.ru/upload/files/vebebejobamatuj.pdf
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dcf8.binbf9abcecd04caf4bb124bda8172fb23f2791e95552acf096cf7b82e3715df4c3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCF8 | 18168 bytes |
font_01_sfnt_off00010bee.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BEE | 16792 bytes |
font_02_sfnt_off00012405.binadbbfdc94d718bd099fe785bfbfc8191a3b21460a71362555525c8f0335ed4f3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12405 | 10736 bytes |
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