MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF that contains numerous links to external resources, many of which point to compromised CMS upload directories. The presence of a QR code lure and the ClamAV detection as 'Pdf.Phishing.Trojan' strongly suggest a phishing or malware distribution attempt. No scripts were extracted, but the PDF structure and embedded links are indicative of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 7
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16134e1a565c4c---misejapenebuvujokagor.pdf
- https://ckmusicdesign.nl/userfiles/file/xubez.pdf
- https://mediaget.ru/userfiles/files/68063847778.pdf
- https://sindhuinvestment.com/ckfinder/userfiles/files/dazapipipifavu.pdf
- https://propage.q-cloud.net/upload/ckeditor/pages/files/genawonoji.pdf
- http://saxonrt.hu/img/userfiles/files/86665703760.pdf
- http://tid.vn/upload/files/64746460584.pdf
- http://www.juniorcollege.cl/ckfinder/userfiles/files/didibepir.pdf
- https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/52ff32551190cbcb10280c92d4b65c92/guwokarexeper.pdf
- http://tkhomedeco.com/assets/uploads/ckedit/files/20210905044648.pdf
- http://factorycontrolprojects.com/userfiles/file/57274534106.pdf
- https://parisnordmedical.fr/docs/file/wozoniduro.pdf
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/161351a235a66b---dolazil.pdf
- http://josquin-capella.de/download/darimizekaloz.pdf
- http://righetti-ticozzi.it/userfiles/files/zodigodewofilulojegaw.pdf
- https://kaptenhoki.net/contents/files/woxekinawuxudamujiri.pdf
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1613beb91054ff---80581276356.pdf
- http://villapellegrino.it/userfiles/files/96245205204.pdf
- http://jnmindia.com/outscapes/admin/ckeditor/uploads/ck/files/jaduvasudesikexaxawebipi.pdf
- http://dinobajka.pl/Upload/file/bizujiguluga.pdf
- http://pegasomeeting.medcoast.net/ckfinder/userfiles/files/48170960149.pdf
- http://brucemayrockinstitute.com/assets/ckfinder/core/connector/php/uploads/files/bakivaso.pdf
- http://clingac.es/d/files/dafutozemovaj.pdf
- http://xn--2o2b17g32e8xisqq.com/userData/board/file/14054440335.pdf
- https://3drm.bg/uploads/pictures/files/binopokubufopokani.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=qr+code+to+app+download
- 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_off0000b320.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB320 | 16792 bytes |
font_01_sfnt_off0000cb32.binffe1dcaa7a1ccded987fc8405a6f5ea5475f5e226718b489a17e6c967f216f27 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB32 | 17708 bytes |
font_02_sfnt_off0000f83d.bin4dc86fa356a1cbe6b4a53adf342b7ecf8404165142be6aed07a315a6d1f0f864 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF83D | 10392 bytes |
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