MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of external links, many pointing to disposable hosting or compromised CMS upload directories, suggesting a link farm designed to redirect users. While no scripts were explicitly extracted, the nature of the heuristics and the presence of numerous URLs indicate a likely intent to redirect users to malicious sites for further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 6
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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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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 http://agcslohian.com/userfiles/file/bufadatufokisodi.pdf
- https://iuoshili.com/upload/users/files/82204294493.pdf
- http://crmrealty360degree.in/userfiles/file/kexamizusemoriwat.pdf
- https://kop-trans.pl/uploads/userfiles/files/76572443749.pdf
- http://slenderclub.cz/ckfinder/userfiles/files/29198101108.pdf
- https://twfern.org/upload/ckfinder_temp/files/20210606140009.pdf
- http://utopiasacramento.org/clients/0/07/071cdeedc048305be324eb10ab8031d4/File/zateronabotipakumotat.pdf
- http://sacmacbook.net/userfiles/file/dopetebaxinofoporale.pdf
- http://otoozevran.com/resimler/files/63669174398.pdf
- https://die-elke.de/cms/elke_page_files/file/25498919335.pdf
- https://smartdeal.pl/files/upload/files/15327673927.pdf
- https://iveducentar.com/uploads/assets/file/57630958175.pdf
- http://nowyhotelik.pl/userfiles/file/81251628301.pdf
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1606f02840d5ea---92131316146.pdf
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160830d4a3b275---78701523787.pdf
- https://k-barrierfree.com/FileData/ckfinder/files/20210618_148E8CE01083E0A8.pdf
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160b245e24b69b---37361487548.pdf
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/6b1ff5454a8312bf687cd0db54e6f1ec/82487369440.pdf
- http://raykingcarroll66.com/clients/2/29/292092747e06e0ab09130fa737b110c0/File/43180156049.pdf
- https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/8476e67a437309d38a3e94667adc7c01/lokukubiw.pdf
- https://pirkitpadangas.lt/ckfinder/userfiles/files/zifogexinin.pdf
- https://atlastoursntravels.com/userfiles/file/sobemudujodofiloke.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=nuevo+diccionario+b%C3%ADblico+ilustrado+samuel+vila+y+santiago+escuain+pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- 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_off0000e8fc.bin6ba63dfbc68a7c58d324983cd50e6e0bfb2199f72f9bdaf5ab1d0e260dcd3108 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8FC | 11420 bytes |
font_01_sfnt_off00010381.bin841b62c28a445bdf0cf56f6b67e3e2adbe17e5cb48c1277475a34f9dec356ac6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10381 | 18336 bytes |
font_02_sfnt_off00013290.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13290 | 16792 bytes |
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