MALICIOUS
216
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically identified as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to compromised CMS upload storage and disposable hosting. The critical 'SE_SECRET_RECOVERY_LURE' finding suggests the document's primary goal is to trick users into divulging sensitive recovery secrets or private keys.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 7
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Recovery secret / private key request critical SE_SECRET_RECOVERY_LUREDocument requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
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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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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://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b957ea817d---kuseliwudofudu.pdf
- http://ahchala.com/img/file/miduxovulorirezep.pdf
- https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/96f3bf10a60215db3d8049a43d82a6e0/bevudebexeze.pdf
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/1b26e8f5ada746cb75fb3591b3c49132/jupigewezebizagomojejife.pdf
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/082dc2c3864e57018b90d4b2e9064e1a/kasofamusivazekivakexak.pdf
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/ftn9cgh9lbut44p5o7668k0os7/lumisuditiwaxominode.pdf
- https://www.surajinformatics.com/wp-content/plugins/super-forms/uploads/php/files/e31e58d4e63621329d892fd107677812/niwebabixatepisowetegi.pdf
- https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/8ee1102c68eea1c68e83b7f13b38c79c/famumexubuwak.pdf
- https://onlinendttraining.net/files/kakisebovevoxigeziguzu.pdf
- https://www.kbstephens.com/wp-content/plugins/super-forms/uploads/php/files/eb425adb889f3d1964ec76fbdf68fcde/97559653163.pdf
- https://audit-advisers.com/userfiles/file/nopaxaxoxejubinuse.pdf
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608750e130268---xomepepu.pdf
- http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160830f19c0fad---76281627777.pdf
- http://maility.pl_adresuserfiles/file/87100115564.pdf
- https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/8779b609cd85c871283c15ea0120808e/sadubaginopotiwovagoguj.pdf
- http://tovicetour.com/FileData/ckfinder/files/20210609_E148418113A7FBE6.pdf
- http://terminsk.by/pics/files/74211307676.pdf
- https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/c19bf718308278a607a588a823eb8925/tukipulijigofus.pdf
- http://cnc-soustruzeni.cz/files/file/gilubisi.pdf
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b13da5d768---dadizonedibodifexod.pdf
- http://asiavent.com/UserFiles/file///bumumipedikuzodinuke.pdf
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/71cda278e70e9a2bd0a754ea9272b035/jajorobusepesasexalopi.pdf
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609c794b684bf---61627249004.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=ccnp+certification+guide+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_off0000e67e.binb5f2e16b6b5449ac079c98c81a0b10853f02524ef612612b5ad2f632ca898502 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE67E | 16372 bytes |
font_01_sfnt_off000110d9.bin8474b9b0fc292e46ee20194a5fb0434e66c1d49c74bd0b2558900107cbefa7f5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110D9 | 10712 bytes |
font_02_sfnt_off00012959.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12959 | 16792 bytes |
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