MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically identified as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised WordPress upload directories and disposable hosting, suggesting a link farm designed to obscure the ultimate destination and potentially deliver a second-stage payload. The presence of these links and the overall structure indicate a phishing or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9922
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://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/e735f51bac92130365a73f6f14871124/kirifugalopotigoral.pdf
- http://gopherandsquirrelcontrol.com/admin/images/file/45193822616.pdf
- http://www.anclupnapoli.it/userfiles/file/nemumoreverobe.pdf
- https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608326351b665---koxujogexolarovekisowuti.pdf
- http://easyreturn.store/userfiles/file/57505569186.pdf
- https://adlinefor.com/home/webagen/public_html/korn/data/file/ruwetupiva.pdf
- https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/577ac42c9fe00eba9b86f5239fcef7b5/junovakokatu.pdf
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16074167b241e0---42754823882.pdf
- https://signika.pl/Upload/file/49641992920.pdf
- http://amon-syotengai.com/userfiles/file/vowudunuvixinokutopusolo.pdf
- http://canoeing.by/pics/files/26226474615.pdf
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/3d8c37f96bcbdceabcd9078862ec8d83/93151640551.pdf
- https://yourlightingbrand.com/wp-content/plugins/super-forms/uploads/php/files/5159757e538c006ef6a5284efb3a4d52/zoxuvoputa.pdf
- http://aarogyamedico.com/userfiles/file/ruvezobodekedanu.pdf
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/23f2e938bf979ca4171d0425be2e8fba/vamituwunelorize.pdf
- https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/5ptbupkbj5s3hanrcofd0vtf3q/rebuxemiv.pdf
- http://creative-format.com/upload/editor/files/gagukimazebafaxovewoke.pdf
- https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/6f84af9562d293223685581267b40e79/fufonejixaxuwiri.pdf
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/r1hpm8k6lkjhddj0igars1f9u1/51068773465.pdf
- http://pytextiles.com/userfiles/file/salejuzazozexas.pdf
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607b6192aa126---27068595056.pdf
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f3d638675a---95087311830.pdf
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/b15cfab898bf91a5c37c500bd1cd9955/84000431697.pdf
- http://computerdoki.hu/user/file/gilafabosalukopifisin.pdf
- https://dcoderesearch.com/uploads/65621980397.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=back+pain+right+side
- 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_off00012070.binf0ddce52e9b0a7ce86d693ce8ad4f1b5868fa14dd2c563126423bce34459be00 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12070 | 10772 bytes |
font_01_sfnt_off00013911.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13911 | 16792 bytes |
font_02_sfnt_off00015123.bin28439eab5ba7d6f6799d76b05430137deb29eb6fe9d1232198c94a2478c223e6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15123 | 16884 bytes |
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