MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories, indicating a likely phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly suggest malicious intent. The file's structure as a link farm on disposable hosting further supports its use in malicious campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
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://ketchas.ru/uplcv?utm_term=watch+sword+art+online+english PDF link annotation
- http://kronospan-mofa.hu/editor_up/xegotijexugod.pdfIn PDF document text
- http://xn----otbb6ahq3d.xn--p1ai/ckfinder/userfiles/files/52998820430.pdfIn PDF document text
- https://tolgyesvolgy.hu/userfiles/file/25017137146.pdfIn PDF document text
- http://csc0512.com/userfiles/file/20210910125153_kmv8so.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/161381e0e4492e---gajusebidub.pdfIn PDF document text
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/e079f3b6f78db788200cb580bc2ff9f0/luzepubojenaxi.pdfIn PDF document text
- https://rpaxis.net/userfiles/file/mewudidigaw.pdfIn PDF document text
- http://pbhdom.eu/userfiles/file/9596357889.pdfIn PDF document text
- http://3qbuy.com/CKEdit/upload/files/pikenijalivoxududuwopiwed.pdfIn PDF document text
- https://threadworx.com/thread/admin/uploads/file/82968410758.pdfIn PDF document text
- http://mdfgiare.com/upload/files/98189396509.pdfIn PDF document text
- http://bipaf.org/2009_home/upload/editor/file/bupen.pdfIn PDF document text
- https://dalnoboy.com/data/filestorage/upload/files/6802989545.pdfIn PDF document text
- http://fotografoenricogiampieri.it/userfiles/files/zibetinanosajonub.pdfIn PDF document text
- https://www.babetravelling.com/ckfinder/userfiles2/files/71708636153.pdfIn PDF document text
- http://gamjagolla.com/uploads/files/13389269857.pdfIn PDF document text
- https://apatity.verlauf-ekb.ru/admin/ckfinder/userfiles/files/71121308195.pdfIn PDF document text
- http://romanasulcikova.cz/userfiles/wusexuxoxakitonamoragapu.pdfIn PDF document text
- http://www.yoko-ono.be/images/userfiles/file/31681785127.pdfIn PDF document text
- http://phanmemerp.vn/attachment/files/fuvazotakojipebagavu.pdfIn PDF document text
- https://ww150001.linebot.net/upfile/files/20210912000651.pdfIn PDF document text
- https://foundlight.ca/home/foun6192/public_html/files/custom_files/file/webijaxel.pdfIn PDF document text
- http://tractortools.cz/ckfinder/userfiles/files/fufininepe.pdfIn PDF document text
- https://citronel.com/userfiles/files/jenituxafopujewumu.pdfIn PDF document text
- http://stainless-faucet.com/uploads/htmlupload/files/borokibajepanizowojuvobub.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/f5aee1cb0bab17163013f338782274ec/gilidekuwojiganabosudom.pdfIn PDF document text
- http://soupworld.de/upload/file/pakadapufan.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_off0000e423.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE423 | 18304 bytes |
SHA-256: 7c4233e185ac5fca1432d237620d8f27222c1549d1e484a4e8811e6bc281d5b8 |
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font_01_sfnt_off00011408.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11408 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012c1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C1F | 10728 bytes |
SHA-256: 1b9b62b4b59b18eafccbbcf1e9b6def3c89c880d246a4c76788d482b4a3e3a3e |
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