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 as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting domains, suggesting a link farm designed to redirect users to malicious sites. The presence of multiple external URIs and link farm heuristics strongly indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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 http://nwatchonline.info/userfiles/file/88452350979.pdf
- https://foulardfotografando.it/file/24623656983.pdf
- http://supermarketdv.ru/files/file/51028290189.pdf
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142c00ef12bb.pdf
- http://a-xian-coat.com/uploads/files/202109221249304515.pdf
- http://flightshop.jp/images/blog/file/5528389751.pdf
- https://kaxtongroup.com/home5/maxconne/public_html/kaxtongroup/assets/images/newspostimages/files/josovazulobozuwu.pdf
- https://grandhotelushba.com/userfiles/file/51730679417.pdf
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/57c42641bb561b3f2bd7d0a0482116e9/4622082720.pdf
- http://tw-echen.com/uploads/files/202109100603377733.pdf
- http://jmvlpslimited.com/ci/userfiles/files/joxak.pdf
- http://realtor-madrid.com/uploades/fckeditorfile/xafijikozeparotoku.pdf
- https://www.karelo.com/uploads/File/wolizoguwobepepodiremoje.pdf
- https://markmont.eu/editor_uploads/system/files/86346780161.pdf
- https://vibanghanoi.com/uploads/files/17843808199.pdf
- https://perfecthospital.org/FCKeditor/file/99685262344.pdf
- https://thietbivesinhanhhuy.com/asset/files/kopopenuzediru.pdf
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16132798605cc5---84601725304.pdf
- http://medob.org/SITE/files/editor/file/bulosaxikinisakosifilodun.pdf
- http://lionsmarsala.it/userfiles/files/39185751377.pdf
- https://alzubidi.com/userfiles/files/laborif.pdf
- http://dxczx.com/ckfinder/userfiles/files/20210906_021104.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=snapseed+full+version
- 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_off0000c6d4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6D4 | 16792 bytes |
font_01_sfnt_off0000dee6.binebd15717071d79ccd014c50af19c782085ea8b2ebdacffc72d7b4884d3fd6fe8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEE6 | 16904 bytes |
font_02_sfnt_off00010a0e.binb52d10af1566a83b41729b58a8e7b1376f6c8a13572dcde4f6da03e0f59be9ac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A0E | 10636 bytes |
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