MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by multiple heuristics and a machine learning classifier as malicious, specifically identified as a phishing trojan by ClamAV. It contains a large number of external URIs, many pointing to compromised CMS upload storage, suggesting a link farm designed to redirect users to malicious sites. No scripts were extracted, but the presence of numerous URLs indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 https://synerhu.ru/uplcv?utm_term=food+truck+business+plan+template+pdf PDF link annotation
- http://areaengineeringsrl.eu/userfiles/files/90448291268.pdfIn PDF document text
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/litioqrod15ov2bds96mf4h204/53706633423.pdfIn PDF document text
- https://petrovsky14.ru/docs/files/gubojokewu.pdfIn PDF document text
- http://teleinwestor.pl/userfiles/file/88932218659.pdfIn PDF document text
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612759493feb1---19730096088.pdfIn PDF document text
- http://adriennemason.com/assets/files/47377716210.pdfIn PDF document text
- https://alternativecarrepair.com/userfiles/file/vekedotewezafetuzosafo.pdfIn PDF document text
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16082438d43584---76161709004.pdfIn PDF document text
- http://www.southforconstruction.com/frontend/web/ckfinder/userfiles/files/69347618497.pdfIn PDF document text
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f206e97ae4---95045785490.pdfIn PDF document text
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/794cbcf07b2349581f785b4af6641526/wobatinixakowuzisevo.pdfIn PDF document text
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16119aa199ae46---wigodoxazutudazojuzok.pdfIn PDF document text
- http://apex-architect.ru/images/file/milasoxapiki.pdfIn PDF document text
- http://xn--or3bi2da319p.com/upload/fckeditor/file/ridotip.pdfIn PDF document text
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/161277ed0afe93---jamupegavu.pdfIn PDF document text
- http://dermalab.pl/userfiles/file/zefasaveloma.pdfIn PDF document text
- https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/v890vmo6ad7nvb4oten63i4qps/jawadovegif.pdfIn PDF document text
- http://tamilannuaire.com/var/www/vhosts/vps296430.ovh.net/tamilannuaire.com/images/file/28820225053.pdfIn PDF document text
- http://etenindex.nl/images/uploads/losatukufugilijegafis.pdfIn PDF document text
- https://perfecthospitals.com/ckfinder/userfiles/files/lufuzolituwemozi.pdfIn PDF document text
- http://zhatuogz.com/uploadfile/file/zajovixiwunozurewo.pdfIn PDF document text
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/16125799579940---34490810385.pdfIn PDF document text
- http://marcobernini.it/userfiles/files/38579097800.pdfIn PDF document text
- https://wecafephuket.com/wp-content/plugins/super-forms/uploads/php/files/b9tp5f76hjjrrf0evde16ae5to/57509684740.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_off0000d182.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD182 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e994.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE994 | 17388 bytes |
SHA-256: 991953831b3830bb524e03e721537273cc14ba9da4b4d6547b69e92b76f1a1b2 |
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font_02_sfnt_off00011608.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11608 | 11092 bytes |
SHA-256: 963ba0d1851b164373e3f67297d51cd4622fe34d9eb428e1eab12d86c3345ed9 |
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