MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous URLs pointing to compromised WordPress sites and other disposable hosting, suggesting an attempt to redirect users to phishing or malware-hosting pages. The presence of external URIs and link farm characteristics strongly supports a phishing or credential harvesting attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9913
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://smidgel.ru/uplcv?utm_term=manual+do+duster+2013 PDF link annotation
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/16094574d50389---pixukefu.pdfIn PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3b0b969ba4---favutipafapevunaw.pdfIn PDF document text
- https://newtop-eg.com/userfiles/file/85707253717.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/sejapafugigifavenoji.pdfIn PDF document text
- http://giasuthanhdat.vn/Images_upload/files/30136237342.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/e1e038d2846bbc28d082da427048f77c/55259807117.pdfIn PDF document text
- http://hoctienganh123.net/upload/files/rapipadipagilemak.pdfIn PDF document text
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/fl5jubppnpn6ud61tgnbm60j0g/56013664418.pdfIn PDF document text
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/hd0o7h5pcqpq77lnjm8sbfdje4/31201029273.pdfIn PDF document text
- https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/447e41774431286bc74bc3f8e1fbbd3d/sifezatanawakibosake.pdfIn PDF document text
- https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/bmb5t51ne6hpral2jc237s9sb1/5740782009.pdfIn PDF document text
- http://augustaelectricalwork.com/editorData/file/45945115219.pdfIn PDF document text
- https://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/ff5b10k5ohgujvlt1moujejbtb/24496761211.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/m04989ihnce43luqbb4jcn9tt6/buxitizokisifuzis.pdfIn PDF document text
- http://ddaengshop.com/ckupload/files/rijelunizezoxixanidekogab.pdfIn PDF document text
- http://carroll1975.com/clients/4/4e/4e2b018d07aaa5a30c3e4fca1c7a8df7/File/52816246436.pdfIn PDF document text
- https://cecprint.com/images/file/xipemitutarexadob.pdfIn PDF document text
- http://tradeweb.es/userfiles/file/tadelog.pdfIn PDF document text
- http://cafehinglung.com/uploads/files/23065951590.pdfIn PDF document text
- https://zifu-tech.com/app/webroot/userfiles/files/25317317789.pdfIn PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16078a0cb2ef07---vifodarusujikafubudomava.pdfIn PDF document text
- http://grappin-annat-como.com/userfiles/grappin-annat-como.com/file/wabemosatuxuvajumu.pdfIn PDF document text
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/4a60313537b0a872db60648716d5074c/vufuseko.pdfIn PDF document text
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16095177697ac5---kidofobunifadetora.pdfIn PDF document text
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/6ir4tk5s6o49k4hmqv15agcp8b/52117920745.pdfIn PDF document text
- 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_off0001b4a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B4A3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001ccba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1CCBA | 10708 bytes |
SHA-256: 437478bac98a0d094b68fa6b5762dc40d8abdd7109c35b2b2cd0112fd4398ac8 |
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font_02_sfnt_off0001e592.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1E592 | 19576 bytes |
SHA-256: b1db888b8b343d4be26dc76a139c266109aa02deb2356f49cadd1412663dd49c |
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