MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many pointing to compromised WordPress sites or disposable domains, indicating a link farm designed to redirect users to potentially malicious content. The ClamAV detection and ML classifier strongly suggest a phishing or malware distribution intent. No scripts were extracted, but the structure and URL patterns are indicative of a phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://crysiq.ru/uplcv?utm_term=bake+chicken+wings+at+350
- http://fittbike.hu/files/file/31358812478.pdf
- http://xn--eyt274i.com/upload/files/30118342551.pdf
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cd6febd8ad---36899724877.pdf
- http://accountingworld.in/singhania/downloads/file/witiserokugetosonokiduta.pdf
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/ovrj88peujhn0kev0cocs4k7t4/51892523378.pdf
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/gf91im3v5b8r0s7ve3d5a1aapd/24649962343.pdf
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac5ef21ed02---69153020141.pdf
- https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/fe9297c8a3efc8053ae3331fa82fbd2c/5244663918.pdf
- http://muszempilla.com/files/file/19840723906.pdf
- http://alexforstarlight.com/clients/4/41/4125d763bdae894b2c088b8c4c0f4705/File/mavalotezus.pdf
- http://drironcat.com/images/file/3587169731.pdf
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/c18dc830cb4e568bc3520de6a65d5870/besedusivesogizolovob.pdf
- http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afd4bc86429---41062249865.pdf
- https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/f90cg0i3o2d4pt4mvqnqvj5aca/53832374847.pdf
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/ongcke5ifb7b1c5bo0ef7ake8a/82562160879.pdf
- https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607384a277e4e---tokivepevu.pdf
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c85f8e46d14---77605697228.pdf
- https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/60483a4c9d9a4304d882cd3c5571ae7a/lizarep.pdf
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/c4v8j4sc57o4dphutp1tistq4h/wituritevepikes.pdf
- http://landpas.pl/upload/file/50683571584.pdf
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cd95873de1---30745974575.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_off0000e6d0.bin8bf0f5c776776b3df3d518dcd0ea24881b064d54b83bc42d625fe3694a1909e0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6D0 | 10900 bytes |
font_01_sfnt_off00010030.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10030 | 16792 bytes |
font_02_sfnt_off00011842.binb905729439535512b6c070b1f905889e112b1870226e8044a497dc7737410e06 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11842 | 17048 bytes |
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