MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to compromised WordPress upload storage and other disposable hosting, suggesting an attempt to redirect users to malicious content. The presence of numerous unknown URLs indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160839f56b41a5---zijinugimenopibemuronopop.pdf
- http://zonazero.es/userfiles/file/15132067873.pdf
- http://frangarcia.eu/upload/file/78896697468.pdf
- http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160836512c782d---78820443899.pdf
- http://www.pattyn360.com/upload/forum/files/28231371565.pdf
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160947770e4e40---50614766580.pdf
- http://caythuocdangian.net/images/files/kolevuv.pdf
- http://lucann.com/Upload/file/14711570780.pdf
- http://www.biotanika.pl/upload/file/53069723618.pdf
- http://homelife-superstars.com/image/files/3593156522.pdf
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/ht4h1lfcrbarqadgpf81ejt094/38864541342.pdf
- http://vce34.ru/attachments/file/76907849085.pdf
- http://moristas.com/userfiles/files/82450845460.pdf
- https://freedomhypnosisnyc.com/wp-content/plugins/super-forms/uploads/php/files/3413591ef193e8802c626b7ef216b177/pijamafasavibifumimevo.pdf
- http://asbufestival.com/uploads/FCK_files/file/48197467372.pdf
- http://mobilephleb.com/clients/2/2d/2d2188d13063160162e6e2bbcdac547d/File/mapan.pdf
- http://accronline.com/userfiles/file/12584802887.pdf
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1e6b609e81---92967254859.pdf
- https://aawyx.com/sites/default/imageuser/file/fuwadevove.pdf
- http://darec.sk/files/files/jivikulimikuluju.pdf
- http://interiorconsignments.com/media/file/pelajekuravoga.pdf
- http://avtoarka.ru/wp-content/plugins/super-forms/uploads/php/files/2318e8dc31ad945162a01d0698308e3d/mawibamil.pdf
- http://mousike.it/img_ins/files/79884857516.pdf
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/s9899u22f6s17p4ig5m709u7a0/wojet.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=bus+for+free
- 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_off0000be2f.bine9d643de5bada623dd14903365410e7c2da5ab3d96bee527278ad2ab5674e05c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE2F | 16368 bytes |
font_01_sfnt_off0000e77a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE77A | 16792 bytes |
font_02_sfnt_off0000ff90.bin65cf0433b546823c2feb0810d44afbfc485b4beb1ee639141a6becbfb08fcc5c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF90 | 9856 bytes |
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