MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites, suggesting a phishing or malware distribution scheme. The presence of multiple distinct hosts and the use of 'utm_term' parameters in some URLs further support this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
-
ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
-
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.
-
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.
-
External URI info PDF_URIPDF contains an external URL action
-
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.
-
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://crewmak.ru/uplcv?utm_term=us+state+codes+pdf
- http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160bb21e9659a4---pegemovamusuloremoxurejo.pdf
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/8a65ff96cde0becad70c6c7bfca2cb99/vevameveziperewadule.pdf
- http://biosite.ru/images/news/file/83160649804.pdf
- http://lohsclassof70.com/clients/3/31/31ca850ff086a58b81c8700e10a01852/File/90236505704.pdf
- https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/tmp/renajuwanugizilotog.pdf
- https://jdrum-music.com/uploads/ckfiles/files/8332184343.pdf
- http://malagi.pl/user-files/fck/file/38162800703.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0e8ffeed0d---97253432213.pdf
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/16085386d4bc1d---25886207136.pdf
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160aed1046d9ca---nunudojotevapu.pdf
- http://easyreturn.store/userfiles/file/tarava.pdf
- http://slsnn.ru/content/file/12288873935.pdf
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/bbbb9366271a66be94ed6111e0a35020/67678291125.pdf
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/61b545c6b00aaca02af575f4f81df395/piviwivozunotivasaf.pdf
- http://m2m2design.com/userfiles/5086380218.pdf
- https://apskarota.org/userfiles/file/vabagudiduju.pdf
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/9cac56d1c01fe5d41a4fc08929b5c196/bazusadavupejozidep.pdf
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/l05inbv7cqm0r7hmef4p0p4d23/51650261192.pdf
- http://zdravi-kromeriz.cz/files/file/96612584796.pdf
- https://aspirans.com/files/file/63828700498.pdf
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/160765828ab92d---rulipomufijebe.pdf
- https://ksuskalology.com/images/file/bemezatifemuwoneriza.pdf
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7027a13065---35512890791.pdf
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/abeff1fb241bc6bb35c4085053dbb366/porasepujasigep.pdf
- http://co-wemart.com/careeruserfiles/file/zefokemujisujibupibepalu.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_off0000ee10.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE10 | 16792 bytes |
font_01_sfnt_off00010627.bin5fa344f67aeddbbac07f5699bfbbaad4af1b5a422a58390c6ac6eba999d4f176 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10627 | 10280 bytes |
font_02_sfnt_off00011d68.bincdf7aeaf5e723d9fefeb6e74eb0fdaaaa2aa1f3519bbd021c79f3095071617fd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D68 | 17564 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.