MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to multiple compromised websites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. No scripts were extracted, but the structure and embedded URLs are indicative of a malicious document designed to lure users to external malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9857
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://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/16082acad6a2ff---zafopox.pdf
- http://bezagsecurity.cz/userfiles/68084151510.pdf
- http://xn--365-pn7mwb654m2qn.com/ckupload/files/28005158261.pdf
- https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/4f977d81b5f5f9d2c691780e43affc9e/44500605690.pdf
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4a4faaa62---fuvaxig.pdf
- https://mls.lighting/wp-content/plugins/super-forms/uploads/php/files/bbe5ca1d1d99e64da53385aabb9df0eb/dopizorigatuwo.pdf
- https://visionbrindes.com/admin/fckeditor/userfiles/file/10736964622.pdf
- https://blueridgelightingandcontrols.com/wp-content/plugins/super-forms/uploads/php/files/3718f491d49d847bc3c306975fbccaa0/90800575274.pdf
- https://zivotzaokny.eu/res/file/fovomusebima.pdf
- http://bafiti.com/sklep/userfiles/file/bemukovuvimudux.pdf
- http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/k18r4vl4o69usscjtrd1kr38b0/tavevopezazofe.pdf
- https://groupburuemas2.com/contents//files/62864710202.pdf
- https://simon-daulte.com/ckfinder/userfiles/files/10431012550.pdf
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a8e7a3d72dd---motirej.pdf
- http://jagatjyotischool.org/jagatjyotischool/userfiles/file/boxitovepaliwej.pdf
- http://arcos-eff.it/userfiles/files/berupozine.pdf
- https://jairdefreitas.com/ckfinder/userfiles/files/2292770995.pdf
- https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/2d06524bbf7e9c0818703285661732d3/38047937677.pdf
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ade2cf7631c---rovimiwuginegububiwa.pdf
- https://al-farh-iq.com/upload/userfiles/file/12518568668.pdf
- http://dorrstrechy.cz/UserFiles/File/97796184773.pdf
- http://swaminarayangm.org/userfiles/file/ripufiridaf.pdf
- http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16072e12ae38ad---vivifudinenilipes.pdf
- https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/bb482d850bec90089e672f22440d4367/8666622868.pdf
- http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160a4ea3a64eb1---lonami.pdf
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fb43d000649---2358775731.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=libro+yoga+para+todos+indra+devi+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_off00013904.bin08e7837d163930e1af7f7668870c2bfd22607a37474b09bebf6fcd2dd97dfa7f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13904 | 10904 bytes |
font_01_sfnt_off00015208.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15208 | 16792 bytes |
font_02_sfnt_off00016a1a.bin1e8f19ba9b0d4cc2e3dda7aafc29b9d8c530b425171a05d886774a13a9bb0165 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16A1A | 21540 bytes |
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