MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1055.012 Process Injection
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. The document contains numerous embedded URLs, many pointing to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure strongly indicate a phishing or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://pijntherapie.be/uploads/files/segufamamitevedejufedap.pdf
- https://cevhertemizlik.com/userfiles/files/25601713788.pdf
- https://delaneyllc.com/ckfinder/userfiles/files/japuzatamudilifewevusarek.pdf
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16089a4b4f05aa---85259875500.pdf
- https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/d1da7fd51d2dae27dbe85f233820dca5/tufageja.pdf
- http://blpest.com/UserFiles/file/56836365193.pdf
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607e88ee4d768---zidiwotemaniw.pdf
- https://florerialafloresta.com/ckfinder/userfiles/files/38311843104.pdf
- https://acronimocostanzo.com/userfiles/file/puwigepotelijezuwi.pdf
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608703b51bf9b---wozamebajobowera.pdf
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160739c4e96d02---duxuj.pdf
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077b95c28e7c---kabaxusozulebitodije.pdf
- http://paillasse.hu/userfiles/file/dasejebinobat.pdf
- http://adveotec.com/img/file/33353975258.pdf
- http://saamfactory.com/wp-content/plugins/super-forms/uploads/php/files/e37873c3ca93b71bf2e892d9bdd5ad60/19095919032.pdf
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/160857e6246ed2---17776108381.pdf
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a174bed274a---todewejet.pdf
- http://hzdshg.com/images/upload/File/16569082826.pdf
- http://creatinglifeoptions.com/userfiles/files/bugasitipa.pdf
- https://akproauto.com/nbloom/fckuploads/file/68775487570.pdf
- http://logisticsnetworks.net/ckfinder/userfiles/files/10060984820.pdf
- https://ccichn.vn/data/upload/file/toluzalux.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=hunger+games+catching+fire+online+free+movie
- 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_off0000d0a4.bin3ba22e5245ecd2964702fb2431ee3d3eff3a4100b71b57a56d09c08ce35c88e6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0A4 | 10940 bytes |
font_01_sfnt_off0000e9cf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9CF | 16792 bytes |
font_02_sfnt_off000101e1.binfbf32dfa1ef41011107746ac5d0f09afbb2eec65b53e3604f27d92877065f2fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101E1 | 17868 bytes |
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