MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
This PDF file was detected as malicious by ClamAV and an ML classifier. The 'SE_CLICKFIX' heuristic indicates it uses social engineering to prompt the user to execute a command, a common tactic for downloading and running secondary payloads. The document also contains numerous links to external sites, many hosted on compromised WordPress installations, suggesting a link farm or distribution point for malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
Heuristics 7
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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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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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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://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/1o3fvh40arm6hge6974v26mae2/fawesoxugor.pdf
- http://accomplishtheimpossible.com/userfiles_ati/file/6785916326.pdf
- https://areicon.com/images/file/papojafitivamudedujoged.pdf
- http://lawngo.net/fckfiles/25678159900.pdf
- http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160850a98ba868---44841419720.pdf
- http://okmarin.ru/userfiles/file/minonuxerisap.pdf
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/fpea4r6ah90qg57ukqvbt7o4vh/88933178038.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d2c65d60404---99033961816.pdf
- http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609a5ca7347d3---79935406917.pdf
- https://nguyenhungstone.com/uploads/image/files/44102184031.pdf
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/d171126c7c2577c67832414b46676d14/bagabudaluxesoxabasaj.pdf
- http://provia-events.de/pics/fotos/1/file/sulemulirafovivimaxapawam.pdf
- http://trlgpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tozevuvamekiku.pdf
- http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a83adbc531f---majifavagoxovup.pdf
- https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/9699a2f97ea1b6b8b36274e6eb340431/buluzovamipulire.pdf
- http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16080bd3fb85b2---66453946692.pdf
- https://cengilli.com/icerik_images/file/78452303910.pdf
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608719c957f8b---20057917056.pdf
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/1609c4db98523c---wotunegigiron.pdf
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160afdc331db2f---75574835862.pdf
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/gehklbkqlbill78h58l0mtqc51/52517825650.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=windows+device+manager+command+line
- 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_off0000e386.binfe12a6ea8838cd7cdef32fcc30bd95c9dae7e07f4d5a9052c4f27f3c69b3b5d8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE386 | 10760 bytes |
font_01_sfnt_off0000fc13.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC13 | 16792 bytes |
font_02_sfnt_off00011425.bin3c0332adca9da1a864bc7bc632bdb2d0dd4d2d1137b4e913f12c398f13926f62 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11425 | 17816 bytes |
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