MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised CMS upload storage or disposable hosting, indicating a link farm designed to redirect users to malicious sites. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, lacking clear user-facing content but containing structural elements consistent with a malicious PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 6
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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://mavelikaradiocese.org/rapha/ckfinder/userfiles/files/9719076519.pdf In PDF document text
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/7adngb4fmohfdaqsrk7mjf5hq2/titatotajalaxol.pdfIn PDF document text
- http://www.feniuniversity.edu.bd/app/webroot/ckfinder/userfiles/files/77608373809.pdfIn PDF document text
- http://xn--m1age8bh.xn--p1ai/files/file/83434249101.pdfIn PDF document text
- https://rubyyadav.com/nbloom/fckuploads/file/88576471937.pdfIn PDF document text
- https://tidurmalam2.com/contents/files/sujesavulusaxabenujuzot.pdfIn PDF document text
- http://balogmihaly.hu/UserFiles/file/zikazatonat.pdfIn PDF document text
- https://dichvuketoanvn.org/uploads/files/5389285639.pdfIn PDF document text
- https://rallstarawards.us/nbloom/fckuploads/file/sevibefuroxixi.pdfIn PDF document text
- http://bike-aholic.com/UserFiles/file/32300535514.pdfIn PDF document text
- https://dolphinsolutions.net/ckfinder/userfiles/files/18272057282.pdfIn PDF document text
- http://automyjka.pl/automyjka.pl/userfiles/file/vimarajer.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/d1bfd52e33afc56a5443b0be4a565e03/zepagetadaregijodava.pdfIn PDF document text
- http://eros-arena.name/eros/userfiles/file/64512980937.pdfIn PDF document text
- https://ww170002.linebot.net/upfile/files/20210926201004.pdfIn PDF document text
- http://emilygrilltogo.com/uploads/files/93551815962.pdfIn PDF document text
- http://85560891.com/upfolder/e/files/20210905202257.pdfIn PDF document text
- http://icltindia.in/userfiles/file/vojetabikafijegobe.pdfIn PDF document text
- http://odpadykj.cz/UserFiles/File/xolevima.pdfIn PDF document text
- http://cambridgekapurthala.com/damana/userfiles/file/16257966493.pdfIn PDF document text
- https://alsharqcc.com/userfiles/files/wimipew.pdfIn PDF document text
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/161308e914d450---memesomunikukavosexe.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=tennessee+hiking+trails+with+waterfallsPDF link annotation
- 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_off0000af99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF99 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c7ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7AB | 15588 bytes |
SHA-256: 7d5ed62eceb6d2b33d9a597ca8664dda827abcd2b0f27424142260477b622e33 |
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font_02_sfnt_off0000ef7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF7F | 10516 bytes |
SHA-256: 6eecb72659206c148adf8866c741e892e3d38ec242769502ab70fb2c294aaa77 |
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