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 indicating a high probability of maliciousness. It functions as a link farm, containing numerous external URLs that point to various domains, some of which are hosted on compromised WordPress sites. The presence of 'utm_term' parameters in some URLs suggests an attempt to track user interactions, common in phishing or spam campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
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://laborke.ru/uplcv?utm_term=hanseniase+livro+pdf PDF link annotation
- https://aczv.fr/userfiles/file/xexususawinonavorar.pdfIn PDF document text
- http://basumati.com/app/webroot/ckfinder/userfiles/files/5120638148.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16126521f71329---zakolafot.pdfIn PDF document text
- http://soft-pro.hr/upload/datoteke/19649531877.pdfIn PDF document text
- https://anfauglir.com/images/file/20798669719.pdfIn PDF document text
- https://kga-am-adlergestell-ev.de/kga/ckfinder/userfiles/files/zegowijosazu.pdfIn PDF document text
- https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/5cf1541beb4e0b88011cf99c88975edb/kowezidapidorujidexig.pdfIn PDF document text
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/e7d7dbd948ee76cdc9a001057903294a/tekisup.pdfIn PDF document text
- http://thaihotelsale.com/FileData/ckfinder/files/20210614_6BC7699409AF3E0D.pdfIn PDF document text
- http://easytravel63.ru/ckfinder/userfiles/files/17287185967.pdfIn PDF document text
- http://bizbecho.com/pa/trainstation/uploads/image/file/lawusimekuwanizijomobixi.pdfIn PDF document text
- https://yuss.it/file/97553113790.pdfIn PDF document text
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/q19leq2h6298tolb5jabufhah4/jaluxinilekafewejuma.pdfIn PDF document text
- http://aliceinformaticasrl.com/user/pages/3248354616.pdfIn PDF document text
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8b9ab9ce9---kajobeli.pdfIn PDF document text
- https://tedvandergulik.nl/userimages/file/bejupowafolirarav.pdfIn PDF document text
- http://m3hotels.com/userfiles/file/4476073824.pdfIn PDF document text
- https://wccia-vastu.com/wp-content/plugins/super-forms/uploads/php/files/400edebf042ba1049ea4140d60799d80/49518879897.pdfIn PDF document text
- http://castudio.eu/userfiles/files/3000957061.pdfIn PDF document text
- http://litho-and-co.fr/ckeditor/upload/files/76287567885.pdfIn PDF document text
- http://vuason.vn/upload/files/5089420214.pdfIn PDF document text
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c24184841a536b338a07ad906d561c43/70019579268.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dea4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEA4 | 18716 bytes |
SHA-256: f9b9257766755ec1db10fe4741c034dec940d2387d0e575746ef567e605f806b |
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font_01_sfnt_off00010f52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F52 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012769.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12769 | 10448 bytes |
SHA-256: 19565325209aa2aa7d704f7068a8757afa71b7d074b074e8779e45dd4093b526 |
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