MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external URLs, many of which point to compromised WordPress sites. The heuristic 'PDF_RANDOM_URL_LINK' and 'PDF_SEO_DISPOSABLE_LINK_FARM' indicate a pattern of hosting malicious content on potentially compromised or disposable infrastructure. ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature, likely intended to lure users to phishing or malware-hosting sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/480cd2760e2bdb4d990f3e6effa84c9a/93044273151.pdf
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/6b643aaeb1479cd7c25f61e06af875c4/kasipukamoxumafibobub.pdf
- https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/5375656f300e76233b943b458c1fa3d5/losumavedan.pdf
- http://ambulatorioveterinarioscapindandrea.it/userfiles/files/20829814158.pdf
- https://www.wflorlando.com/wp-content/plugins/super-forms/uploads/php/files/052e3e53a1e904198c73915ee9386536/73719883108.pdf
- https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/b9376052ba4a9d8f9283e6184159f300/80887047552.pdf
- https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/lok06g4qicfek6hqmbki82asp7/kukotoparuguramukabedudig.pdf
- https://bednidhitraders.com/userfiles/file/48949360515.pdf
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/kg4uahtek8iog53i1i3kf3pi51/19868961347.pdf
- https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/327b6fcb23a840c72a46c07c6c16a1ab/wemepidaruradir.pdf
- https://mrmobilewebsite.agency/wp-content/plugins/super-forms/uploads/php/files/c20b281c61926babf481faee8a2d1a0e/wejaremetewopabobotap.pdf
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608867f409736---jupavafavadiviz.pdf
- https://bluebeakbranding.com/wp-content/plugins/super-forms/uploads/php/files/f0b50624363003e8cd823eda629b98d9/jaragubexoguku.pdf
- https://tolgyesvolgy.hu/userfiles/file/wuvoxipikigivoredumewij.pdf
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bad8799798c---zubumogugod.pdf
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/fc12e97f1600da8b28c2dac5fbe2a9cb/wazusifejofekib.pdf
- https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/89eeb0c9624cf44bf63948c7a5341ce2/vizube.pdf
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/2d6c63a411b59bfd561686f0df1b9a97/21382028361.pdf
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8f3618ec4d---27098887736.pdf
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160b9ebc4663eb---beropatitopumevuwifoj.pdf
- https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/49edc654111bed6c57b32331402f8516/276210630.pdf
- http://vhs1962.com/clients/b/b9/b967f936f519796c2a696a6ed1da67f9/File/53926092089.pdf
- http://solarexperten.ch/fckeditor/editor/images/file/26065872982.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=sla+research+and+materials+development+for+language+learning
- 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_off000117b4.bin423d0060c19ee58ac56e7ee438c39e9d8507d05551ddc6cfd3dc2d187a516d93 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117B4 | 11308 bytes |
font_01_sfnt_off000131e9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131E9 | 16792 bytes |
font_02_sfnt_off000149fb.bin75a614f4219d0dd7afd107d1a2dcbe13d5ea577c25cfec318d536b2d2e49c091 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x149FB | 17436 bytes |
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