MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, indicating it's a phishing or trojan distribution attempt. The PDF contains numerous links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. No scripts were extracted, but the heuristic firings strongly suggest a phishing or malware delivery vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://queure.ru/uplcv?utm_term=dcim+thumbnails+folder+on+android PDF link annotation
- http://fs-select.com/images/blog/file/61219202282.pdfIn PDF document text
- http://enovosti.info/ckfinder/userfiles/files/bapipivesaj.pdfIn PDF document text
- http://xn--oy2b19v1mb1yi.com/userfiles/file/12664983197.pdfIn PDF document text
- https://infoenergie-loire.org/userfiles/file/jadajugubex.pdfIn PDF document text
- http://harryreichert.de/uploaded_pics/News/file/sududoxofumalozaluribuwu.pdfIn PDF document text
- http://agriturismocorteerbatici.it/userfiles/files/xugolaj.pdfIn PDF document text
- http://csc0311.com/userfiles/file/20210918051355_zviuvm.pdfIn PDF document text
- http://gavionescodeinsa.com/userfiles/93896018360.pdfIn PDF document text
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141b3e127577---mimutodizovo.pdfIn PDF document text
- http://worldofpacifiers.com/editor_uploads/system/files/bakukilemikorogebul.pdfIn PDF document text
- http://dydlhx.com/upfiles/file///zizivaxajetikesugoxu.pdfIn PDF document text
- http://saconsultancy.com/userfiles/file/29191412671.pdfIn PDF document text
- https://bjjewels.net/nbloom/fckuploads/file/wuvikapupamuz.pdfIn PDF document text
- http://patriabrno.cz/userfiles/files/98611538952.pdfIn PDF document text
- https://granitabrasive.com/editor_up/gavadedunaxabugimebebo.pdfIn PDF document text
- https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/4c2fee4658e75781f53d6042db453e63/tilatikujilinep.pdfIn PDF document text
- http://racecross.com/upload/edito_fckeditor/file/wabawugujol.pdfIn PDF document text
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b4569d6d4e---12434633410.pdfIn PDF document text
- http://djk-winkel.de/images/uploads/file/90976755658.pdfIn PDF document text
- http://peggylittlelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/17922393751.pdfIn PDF document text
- http://studiotecnicomaglio.it/userfiles/files/10438472032.pdfIn PDF document text
- http://www.ufolep-69.com/contenus/files/76049058767.pdfIn PDF document text
- http://homesunshinepharma.com/upload/files/wobidawenovodakirezot.pdfIn PDF document text
- http://fgosvo.ru/files/files/34458291885.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bee4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEE4 | 10980 bytes |
SHA-256: 220fed89c56fae2282cb9584dedb0844b5fd3b93b167e928e463d9809798c127 |
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font_01_sfnt_off0000d82d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD82D | 16764 bytes |
SHA-256: f8092124cc83deed2b7d73ce42575e5046240c81cbdcae04e0e09b10025c33bd |
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font_02_sfnt_off00010344.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10344 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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