MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF exhibits characteristics of a phishing lure, including an image-only design and embedded links pointing to external websites. Heuristics indicate it's a link farm on disposable hosting, likely intended to redirect users to malicious content or phishing pages. The ClamAV detection and ML classifier strongly suggest malicious intent, consistent with a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 69 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 https://wastran.ru/uplcv?utm_term=fundamentals+of+dimensional+metrology+answer+key+pdf
- https://xebecdesign.com/xebec/userfiles/file/zijefefi.pdf
- https://cakesandcupcakes.net/userfiles/files/11662345935.pdf
- http://orourkelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/30594484696.pdf
- https://mandarinusa.com/userfiles/file/1632445084.pdf
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cfa8fae08b---kerinitufez.pdf
- https://aimhc.com/userfiles/file/36807214499.pdf
- https://alident.centralcms.cloud/galeria/files/44376425419.pdf
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613b16c906276---moserozopumugo.pdf
- http://anabakorea.jp/userfiles/file/64737237961.pdf
- http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/16151a19d3c50f---31247869470.pdf
- http://zussobrance.sk/grafika/dokumenty/wadakuwerovitosedowawug.pdf
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/bf738304f2d86f45a062793b97edee5d/lafewubok.pdf
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613a5a3b1e84a---sarazopafutiguwanuw.pdf
- https://theipbuzz.com/images/file/tafiwitupaxejiveresanidi.pdf
- https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/d0be09521f9a6f342eaa971e29f32fd9/88130064532.pdf
- http://xz-brand.com/ckfinder/userfiles/files/fanagifujeloj.pdf
- http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613c9a770213c---81305541010.pdf
- http://www.wcd.com.tw/ezadmin/ckfinder/userfiles/files/47309057285.pdf
- https://ukmalayalamnews.com/userfiles/file/48224389106.pdf
- https://fullgame.hu/uploads/files/nakasefitaxeva.pdf
- https://corpus.bg/files/fck/file/11554601269.pdf
- http://www.saletime.gr/admin/fckfiles/file/67587675644.pdf
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/ce4a3dbbfc5a0fd65b15bd1ac71a8674/72850203681.pdf
- http://ilsogno-bomboniere.com/userfiles/files/xudapewelalekenesimodo.pdf
- http://dalhousieretreat.com/cote_dor_import/admin/ckfinder/userfiles/files/satenabigikaxufosu.pdf
- 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_off0000b44b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB44B | 16792 bytes |
font_01_sfnt_off0000cc62.binea0c2d92e9249f4b25b108623117f57b4663b3c287d1ce9734ebd9239f0006d7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC62 | 11208 bytes |
font_02_sfnt_off0000e672.bin38b8b25177e259fac8526e878b4659b05594fe35dcf3f9dd4ef7d1c31cd1d7cc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE672 | 13664 bytes |
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