MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
This PDF document is identified as malicious by ML classifiers and ClamAV, exhibiting characteristics of a phishing lure. The PDF_IMAGE_LURE heuristic indicates it's an image-only document designed to trick users into clicking a link, likely to a compromised WordPress upload or other disposable hosting. The numerous embedded URLs suggest a link farm intended to obscure the final destination and evade detection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
Heuristics 7
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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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 66 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://sccsfz.org/upload/2021-09/veresuxinureweti.pdf
- https://kolbandibileklik.com/resimler/files/88171767116.pdf
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613f41eb76199---22626281806.pdf
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613c47d028e1b---65076306091.pdf
- http://gemculture.com/userfiles/file/45623767281.pdf
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/9edbdd5254c9552f2038552127fc2f03/96217097255.pdf
- http://neoneofitou.com/ckfinder/userfiles/files/95452727864.pdf
- https://myphi.biz/nbloom/fckuploads/file/3150061538.pdf
- http://t-p-fortune.com/userfiles/file/61600038907.pdf
- http://jessie.vn/images/ckeditor/files/77640600729.pdf
- http://bippex.com/filespath/files/20210915192027.pdf
- https://www.xyoaa.org/sites/default/files/files/96106023649.pdf
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/c170qide444ct6gbluid16dr1t/zemomu.pdf
- http://patanjali.zohukum.com/ckfinder/userfiles/files/nazudemesifim.pdf
- http://honderhotel.com/UploadFiles/FCKeditor/20210908202946.pdf
- http://dorisemitchell.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/12794044889.pdf
- http://rebeccaosborne.com/uploads/33863806772.pdf
- http://cleangroupbd.com/ck/upload/files/83412956018.pdf
- http://logenamerica.com/userfiles/file/bazuzipupamepufa.pdf
- http://stark-tools.ru/images/uploaded/75841590638.pdf
- http://nhagiatxanh.com/public/default/ckeditor/files/mezefewez.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=pokemon+sword+and+shield+rom
- 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_off0000abcd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xABCD | 16792 bytes |
font_01_sfnt_off0000c3e4.bin0f8df95130177fad20532f8441b0a676a5f74aa3efaf6f4759e05c73712ff71f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3E4 | 10596 bytes |
font_02_sfnt_off0000dbe8.bin64476abead716f7800d139e186350a064d6a2e241d51edd62187a452d34c7af8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBE8 | 13872 bytes |
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