MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links to external sites, many of which are hosted on compromised WordPress uploads or disposable domains, suggesting a link farm designed to distribute malware. Heuristics indicate a malicious ML classification, a callback lure, and a visual download button, all pointing towards a phishing or scam attempt. ClamAV also detected this file as Pdf.Phishing.Trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 8
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://pistant.ru/uplcv?utm_term=change+of+address+michigan+enhanced+driver%27s+license
- http://s-privod.ru/userfiles/file/tejufisezifaxa.pdf
- http://ghalemdi.com/userfiles/file/zuxedal.pdf
- https://aawyx.com/sites/default/imageuser/file/noxawunud.pdf
- http://www.nomorcantikjoss.com/file/17849090296.pdf
- http://ksnjl.com/userfiles/files/96915736753.pdf
- http://okulsanmalatya.com/imgup/file/3122635191.pdf
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072bed565e7a---xobunub.pdf
- https://paklya.su/design/img/upload/file/mugutigoxanotajekinux.pdf
- http://shreejians.com/userfiles/file/bugunomex.pdf
- http://mulroyenvironmental.ie/userfiles/file/niziwozabup.pdf
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160744c3440145---80469515537.pdf
- https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/a10da5bb7f142e84a346f2691f33bfe5/pinotivivigobaseku.pdf
- https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/iu1c0as6bra72mfirq3b29al14/66433896505.pdf
- https://ratco-hardware.com/Ups/files/luwedosijalorarazejojik.pdf
- https://chupwo.com/editor_upload/file/12831053664.pdf
- https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/16088be79d38d8---kekabiger.pdf
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160c73f3bdbeea---penanamaduzoba.pdf
- https://mavibusiness.it/file/21347942228.pdf
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075cb471a329---96987627047.pdf
- http://allgeology.ru/ckfinder/userfiles/files/dalix.pdf
- https://aterhesseg.com/up_image/file/3806895347.pdf
- https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/m55keiufuil4k1enj0td5cq9ka/muruke.pdf
- https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088b7256f975---68583743419.pdf
- https://transpack-krumbach.de/_upload_bilder/_filemanager/file/napivonalatakofokog.pdf
- https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/ipc2is9iqdi3r8qiojvfe4hfgn/luturezak.pdf
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160789784eda77---81590584527.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_off0000d528.bin232410822fd0a62ca6a65829aadd9d2aa318fac1eec33f49ecf56e0bf8c547d5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD528 | 16276 bytes |
font_01_sfnt_off0000ff77.bin6dcf03ca61861316a3e1c30253928c084e0e0b76256c7a5297cf5f7adb5a1349 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF77 | 10956 bytes |
font_02_sfnt_off00011892.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11892 | 16792 bytes |
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