MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains a link farm directing users to multiple compromised WordPress upload directories and other disposable hosting sites. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to deliver a phishing lure or a second-stage payload. No scripts were extracted, but the presence of numerous external links suggests a phishing or credential harvesting attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9910
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://smidgel.ru/uplcv?utm_term=pricing+in+general+insurance+pdf
- http://haki.vn/uploads/files/nabemaziwarogov.pdf
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e47c3bd445---nanusedopawepidosepoker.pdf
- https://asiarsolutions.com/userfiles/file/kuwimiziboro.pdf
- http://kengosushionlineorder.com/uploads/files/20985098258.pdf
- http://ohsongpharm.com/ckfinder/userfiles/files/mapuj.pdf
- https://foxtailmag.net/wp-content/plugins/super-forms/uploads/php/files/164c603916ada333e019cd09fef0d50d/memapo.pdf
- http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160853562efde6---64102042179.pdf
- https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/19a27b0ceb67ad99c248c2f769776e30/65571276254.pdf
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16086cf74a42c7---bobuzugovamawa.pdf
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607b553e5ade6---81619387854.pdf
- http://inwama4.vn/webroot/img/files/96129880583.pdf
- http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a1da704d056---1976251420.pdf
- http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/ae2sov7baun078c9k4vbp5bodo/82043876756.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608803a79fe69---jalisibemegiwulaniri.pdf
- http://talk200.com/admin/admin/uploadfiles/file/tebisokotav.pdf
- https://pmms-online.com/assets/file/tiganevibasobukuje.pdf
- https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/voan249olf1do1gi59k1mh72sf/83461089851.pdf
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/dgkink82qbt3o5j18g8hb06906/bukutipufozimidolaga.pdf
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cc08046b7c---18190072003.pdf
- http://thedreams.cz/files/72798101895.pdf
- http://blessingsngo.in/userfiles/files/kosonevamil.pdf
- http://jmvlpslimited.com/ci/userfiles/files/7596856664.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f014.bind0ededf9ee9e357877298c807be2d7b4e9d3ab1b4edbc4cb39f4d0809d8f2879 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF014 | 17440 bytes |
font_01_sfnt_off00011dc1.binc4ee53c3cafd67d3b7566c93f5a43a0a5d00f9289f8ddadc3b8783cc9be05c8f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DC1 | 10680 bytes |
font_02_sfnt_off0001360e.bine658a295d39db9e814bed024ee3c22853df07e569466f2f6ce50cf2259230b5e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1360E | 23336 bytes |
font_03_sfnt_off000178db.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x178DB | 16792 bytes |
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