MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It functions as a link farm, directing users to numerous unknown URLs hosted on potentially compromised or disposable domains. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM firings indicates a deliberate attempt to obscure malicious destinations or leverage compromised infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 6
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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 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://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606d38fbdc061---giwunigadetarides.pdf
- http://caratow.eu/userfiles/file/ritanefutozikupununobez.pdf
- http://dancephoto.ru/userfiles/files/56186451149.pdf
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f19239ec2f---sixizoxunorobezo.pdf
- http://lycee-elm.org/userfiles/file/sonalifibelatoxu.pdf
- http://erbaytag.com/resimler/files/volojofuvu.pdf
- http://alconburyreunion.com/clients/36523/File/55536715861.pdf
- https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be432fdaed5---81039179302.pdf
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/ee763ee8813d3ca67a25ae050eff7754/54114544587.pdf
- https://nnkcreations.com/userfiles/file/xagunasavikag.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8510013827---97012017364.pdf
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/es7crpd4s8iro1p0s5nidcu088/gatubeduzoviwowisakejigaj.pdf
- http://trendybiz.in/usersfiles/file/kogoza.pdf
- http://animationcoach.com/userfiles/file/zerejomaposusoze.pdf
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/160846cd383d45---liwazofadarajijexupuviw.pdf
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc8520e0e93---xepofen.pdf
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080a2332b711---38782170844.pdf
- http://phuwangnam.com/user_file/file/82097118957.pdf
- http://jnnycc.org/userfiles/file/87686166577.pdf
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160be71f493a22---10508942872.pdf
- http://animalscipublisher.com/files/upfiles/file/25899198920.pdf
- https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607905d54a9cb---50833775461.pdf
- http://mkbeauty.vn/luutru/files/gozifesajevuxinegiwepu.pdf
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073c2615bf2f---78152303069.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=wma+to+mp3+converter
- 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_off0000c99d.bin2948162ca3e03b17bc67473f5c7d8d55ac810aa985ab37a3a23e44ad03ed09d2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC99D | 10460 bytes |
font_01_sfnt_off0000e164.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE164 | 16792 bytes |
font_02_sfnt_off0000f976.bin8973391bdf867e51b5a91ce0ebc2c8cdac1a2e8d471bcc523e6e0aeb0d0331cf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF976 | 17044 bytes |
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