MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, with several heuristics indicating it functions as a link farm. Notably, one heuristic points to a compromised WordPress upload storage, suggesting a potential distribution channel for malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://dcimx.com/files/34406042337.pdf In PDF document text
- https://flcevent.fcu.edu.tw/plugin/ce1/ckfinder/userfiles/files/20210801075213.pdfIn PDF document text
- http://axwelindia.com/uploads/sifarajoripepojike.pdfIn PDF document text
- http://naturalmis.com/userfiles/file/gutitaf.pdfIn PDF document text
- http://dentalclinicbangalore.com/uploads/67625552814.pdfIn PDF document text
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/gihjvujvj00lt33t58p12rlm13/14570446724.pdfIn PDF document text
- http://szentimresiklos.hu/upload/file/29126998921.pdfIn PDF document text
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e0d702ca37---zudaza.pdfIn PDF document text
- http://cmepta.com/clients/7/74/74ea2f63c40943e6497cbf70acaf7c81/File/gedinepo.pdfIn PDF document text
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b45527f24d8---98409001953.pdfIn PDF document text
- https://mszukam.pl/dat//file/27104447083.pdfIn PDF document text
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607cc233983db---tuxubakapizilijexetagab.pdfIn PDF document text
- https://feniks9.ru/ckfinder/userfiles/files/47558380347.pdfIn PDF document text
- http://merwepizza.com/upload/file/wuzininepowutimen.pdfIn PDF document text
- https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/16080a6e3438ba---22137248434.pdfIn PDF document text
- https://butterfly-propertymanagement.com/userfiles/file/98339651618.pdfIn PDF document text
- https://aviatroglo.fr/IMG/file/lotupusizipolaf.pdfIn PDF document text
- https://dusunceokulu.net/resimler/files/duvazogi.pdfIn PDF document text
- https://ascinfratech.com/clientprojects/trading/file/mobitedumiwafojememar.pdfIn PDF document text
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/3449fc8183e4779376148a6abe5f4407/36060407835.pdfIn PDF document text
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/ntqtl0gb9b9nu0ai6pvk9ebpa9/jefipozabiwuzajumipifu.pdfIn PDF document text
- http://koszyczarek.pl/userfiles/file/20981317921.pdfIn PDF document text
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160cff97a0a9dc---23315963483.pdfIn PDF document text
- https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/20fd4938181af2b59d7ccfee12ed37b3/96231991094.pdfIn PDF document text
- http://gfhs1978reunion.com/clients/56625/File/29930835898.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=2003+subaru+forester+manual+transmission+fluid+capacityPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f862.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF862 | 17436 bytes |
SHA-256: 09819fbb18d40f40df2f70beb4642e7cd09df5a73771958013d54f8092ef37da |
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font_01_sfnt_off000125f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125F5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013e0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E0C | 11452 bytes |
SHA-256: c02dab6bef99b2caad4b2fcc40a9e29dc12befe3984646a64e87a22348a71960 |
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