MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous links pointing to various websites, many of which are hosted on disposable domains or compromised CMS upload storage, suggesting a link farm designed to redirect users to malicious content. The presence of multiple external URIs and link farm heuristics strongly indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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 http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160701797a9bb8---lezoxejuvilar.pdf
- http://grupposcorcia.it/userfiles/files/durelutavokozitevewem.pdf
- http://elsekmont.eu/userfiles/file/62965730130.pdf
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ec65e52a40---xesepuzamoxitewosuwab.pdf
- http://sunarfactory.com/userfiles/files/wubaj.pdf
- https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/6f6a2f02140393fc389d734c1997e869/xojokekuxenigekiresutaj.pdf
- http://mtecommerce.it/public/news/file/soxojunomuxesadu.pdf
- http://akssert.com/userfiles/files/5643535519.pdf
- https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/8f2de32544e39faf441feee885ec1106/zobogezes.pdf
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0310b113c---82972755611.pdf
- http://agnieszkapawlik.com/userfiles/file/34967012364.pdf
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aa89cf377da---kofek.pdf
- https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/1f584beefdff88d985aae5f7b589399a/bovawutuwawalidodizu.pdf
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/eb60da71d04bcfef68f6a98548f3505b/45812149639.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086c41d42139---gubobulerozulunutiw.pdf
- https://chmelo.hu/sites/default/files/file/72225881632.pdf
- http://hrt-foto.hu/_user/file/toladuzusinule.pdf
- https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/021a0f8ae19fcb9cac88cdd6370f55fb/zimufozatijeturokos.pdf
- https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/6ql6gth9sgop54hksmgqt4d1t2/xomopoxujotagegonigapi.pdf
- https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/9srm1d4ih4ium9hsqj0a450j2b/jevexexozedo.pdf
- http://cybernet.asia/UserFiles/File/robizijovidimemimeruminop.pdf
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/1983b4b93cfbbda7ee3d8905b44d3f9f/weranujokujovofo.pdf
- http://technoculture.cz/admin/upload/file/varemimosilonad.pdf
- http://davidlbrooks.com/clients/868292/File/mibamejeduzunobe.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=bread+egg+cups
- 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_off0000dcbd.bin5035604c19e8fe0d735839a6fe679e821d33bbdacc59ca6a05f895a46f030592 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCBD | 10384 bytes |
font_01_sfnt_off0000f41d.bin9397149d2ba13971a6b86fd8dcbea2532f4a2f729eca4cdbbea95a14703071e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF41D | 16876 bytes |
font_02_sfnt_off0001204b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1204B | 16792 bytes |
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