MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites, likely serving as a distribution point for further malicious content. The presence of multiple links to compromised CMS upload storage suggests a coordinated effort to host and distribute malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606efbb72e480---fupitawimutivawireke.pdf
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160ced6884e74b---97400071509.pdf
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609e6e3cab7cb---24922312278.pdf
- http://booklandbooks.com/userfiles/file/fejifivupagekukirep.pdf
- https://www.chesapeake-lighting.com/wp-content/plugins/super-forms/uploads/php/files/dfaa3ebc5ec7e7b2da213b3ff02e77ad/sigisuzuxebaxaviwepisavo.pdf
- http://sashtraayurveda.com/ckfinder/userfiles/files/11201317907.pdf
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/16097e1d26327f---19787922699.pdf
- http://odpadykj.cz/UserFiles/File/jubojorulujikofefube.pdf
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160758c066382a---buropesedixalupixiva.pdf
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/16096d9e9f08b4---292559613.pdf
- https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/3b70304fd7878aaca513bacf22178e02/dedum.pdf
- http://wagnerfamilyreunion.com/clients/866685/File/57771822337.pdf
- http://energo-winstal.pl/userfiles/file/fujufomawaw.pdf
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16081aa4e015cb---15260113372.pdf
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c939248fb3e---82413443760.pdf
- http://derkwoo.com/upload/editor/files/nesumu.pdf
- https://campermagazine.tv/public/file/milasuboxidobodu.pdf
- https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/cd95b91677ae9decc85f4a1477396846/21668517119.pdf
- http://bdn10.cz/files/file/60423256254.pdf
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/160d1dd7e87492---fofukugavavuvazusujet.pdf
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b28322786b7---4680985683.pdf
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/r1tqc1q62ll4u79hjll82qus64/51896690837.pdf
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/160af63f9149d4---kaniziludelulavatibodutan.pdf
- http://lsneotek.com/ckupload/files/11882853162.pdf
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608b04304ff43---64280341276.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=find+the+values+of+a+and+b
- 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_off0000f68e.bin0a6c349438f6cec43d0c2c98e5b1411647cac918e8e2f276d0c6e436f55205d5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF68E | 16820 bytes |
font_01_sfnt_off00012277.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12277 | 16792 bytes |
font_02_sfnt_off00013a8e.bin16a913472fd6839cc8b02cc788ccb708d382e46736d5209ac06e0bd0e1ba5433 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A8E | 10632 bytes |
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