MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to compromised websites, many of which host other PDFs. This behavior is indicative of a link farm designed to funnel users towards malicious content, likely for phishing or malware delivery. The ClamAV detection and ML classifier strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/7a8c15bc7882a6363302070f8597f94e/40235691366.pdf
- http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e67759e82f---galixoposewafi.pdf
- https://aadhaarretail.com/administrator/imagetemp/file/xowufuvagekovulapovalofux.pdf
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/1gvmrsa8e4jm89rci5u85k1iv0/dumasina.pdf
- https://blogsma.com/files/mavamaxitipejusopikufaki.pdf
- http://mistral-paints.cz/userfiles/files/7491226504.pdf
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16093caaab7c28---fugetozenuliraritonone.pdf
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/dd82r0uc8ajsasjh77egrgqds4/sepufekonasaz.pdf
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/16080eeac686c6---1034239673.pdf
- https://poolpoint.be/uploads/file/50436307345.pdf
- http://www.bandungmesin.com/file/3841762283.pdf
- https://www.allduniv.ac.in/ckfinder/userfiles/files/bolubowagegozobi.pdf
- http://pololanna.com/user_img/files/boxidu.pdf
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609830c9e522c---mapomujufijur.pdf
- https://clubsportedinburgh.org/userfiles/files/77910003281.pdf
- https://space1500.com/wp-content/plugins/super-forms/uploads/php/files/b5afb76b747638a20166a6042f1b6eee/batupowezirisitukovo.pdf
- https://doanhnghiepvietnam.org/img_duhoc/files/lasetuzodi.pdf
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1f991ad61f---10361600020.pdf
- https://armagedonspedycja.pl/files/file/30773702612.pdf
- http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16093acd19047a---kepanar.pdf
- http://kleinschaden.expert/userfiles/file/kisosebotipanifudemakib.pdf
- http://cesishotel.com/res/wysiwyg/file/19669780799.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=what+powerful+name+it+is+lyrics
- 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_off0000eb1b.binebb3593bb0d8935b8bde8469cd793be1db6e17e28ef9b69d6f93681a36b4197d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB1B | 11040 bytes |
font_01_sfnt_off000104ac.bin2288cceb5f8f9cf1c5d75abd3ef31589843448b54713a07fc432b2d6ed1e42f7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104AC | 17452 bytes |
font_02_sfnt_off0001322c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1322C | 16792 bytes |
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