MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous embedded URLs, many of which point to compromised WordPress upload directories or disposable hosting, indicating a link farm designed for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent. The primary attack pattern involves luring users to external sites via a malicious attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/161380a2d2051b---xefirosisite.pdf In PDF document text
- http://abwmarlboropike.com/uploads/files/43236986683.pdfIn PDF document text
- https://dveropolis.ru/upload_picture/sosotititenufutewukodon.pdfIn PDF document text
- http://kleinschadenexpert.de/userfiles/file/79874752965.pdfIn PDF document text
- http://n2nnetworks.com/files/others/manolulevijek.pdfIn PDF document text
- http://orderbestwings.com/uploads/files/58756377447.pdfIn PDF document text
- http://studiosiriosrl.it/userfiles/files/39177957883.pdfIn PDF document text
- http://aisne.proximeo.com/ckfinder/userfiles/files/65728451948.pdfIn PDF document text
- http://shuimotongyuan.com/userfiles/file/titebifejanefe.pdfIn PDF document text
- http://ccspatti.org/userfiles/file/75685777458.pdfIn PDF document text
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/jccgj3b7vq75llmv84fc3kus9n/gidebetefelomurezu.pdfIn PDF document text
- http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133d8c9bceef---woseraripotezuxif.pdfIn PDF document text
- http://thoitrangvabaoho.com/Images_upload/files/36814788843.pdfIn PDF document text
- https://allianztc.ro/files/file/7742361936.pdfIn PDF document text
- http://chipublichouse.com/ckfinder/userfiles/files/penowexarirenuxedawatu.pdfIn PDF document text
- http://scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/bulotalosiraxonowe.pdfIn PDF document text
- http://ck-kutnahora.cz/gais/image/file/85316297284.pdfIn PDF document text
- https://mbzl-pro.xyz/web/img/podborky/files/88055111148.pdfIn PDF document text
- http://ffarchitettura.it/userfiles/files/zaravexofinenozakafiz.pdfIn PDF document text
- https://minipowerpack.net/upload/files/63242020973.pdfIn PDF document text
- http://hawaiisushi.iorderfoods.com/uploads/files/famezafudix.pdfIn PDF document text
- http://littlepearlbooks.in/data/eimages/file/6117768587.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=monopoly+south+africa+rules+pdfPDF link annotation
- https://lapdonline.org/file/babikilubuvifufexinelox.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://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/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_off0000e481.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE481 | 10924 bytes |
SHA-256: befb9979e64470d628315c0d27dac00517a940bc3af55f947371ddd299c8f7df |
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font_01_sfnt_off0000fdcb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDCB | 18220 bytes |
SHA-256: f53a87693be140aecb68b2e7e188eafe7351438c5c21b3a186af4870de737420 |
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font_02_sfnt_off00012d29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D29 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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