MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or trojan delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://bezagsecurity.cz/userfiles/kopebanagaxiguke.pdf
- http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210704135922308598f1aglr.pdf
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ad64b19ded---sosamexibobagakenutitixo.pdf
- https://etre-cheval.fr/Applications/MAMP/htdocs/etre%20cheval/news_pix/file/kevalukopexiguk.pdf
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/7fsudpv0s7ogrgamrqhrrd6511/wezipeputejur.pdf
- https://kaktutzhit.by/uploads/files/94410386018.pdf
- https://www.duffylighting.com/wp-content/plugins/super-forms/uploads/php/files/59db6d226dee7c409d3777bc76ff1593/lorumidusanopi.pdf
- https://dogathermalhotel.com/resimler/files/45519956170.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160aa29a5a2947---34392529157.pdf
- https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/b42d740991e6c8180f691ea809d1564f/74096168026.pdf
- https://biblioteka-koneck.pl/ckfinder/userfiles/files/97892417593.pdf
- http://pantryscan.com/123cars/imagefck/file/97556417396.pdf
- http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606c726392913---nawizowitekanuvomasa.pdf
- https://brandonsmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/60gvv5oqc4cj04n931udsno5k6/95161459833.pdf
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/8d960e5f14e5409e550dd9da5ab830f5/65840104638.pdf
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160725fdb395bd---kaduraporuzebovoludogefo.pdf
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/5g7l1to5iauai3oeklcioc7pos/59389219585.pdf
- https://primewestelectrical.com/wp-content/plugins/super-forms/uploads/php/files/092bd4a1847f0c0460d2bd0ad1e779bf/gejetotofivojenaso.pdf
- https://andrejc.si/files/file/lalimipafa.pdf
- http://logiccpacma.com/ckfinder/userfiles/files/dubikuvekujotonokevotase.pdf
- https://ikuseikyokai.jp/ckmedia//files/15804803308.pdf
- https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/4a62267d9e85245adc91dd074dc5d4aa/36897118480.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=i+like+your+funny+words
- 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_off000122cb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122CB | 16792 bytes |
font_01_sfnt_off00013ae2.bin287f00dc2209c069b2c21fc360a7d40159202322ac633f4f0bd60736611c9c5d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AE2 | 10432 bytes |
font_02_sfnt_off000152a4.bin3df1796163e963ad028d3f763ee00ab5f57ddf6cb1a81919d151f01a8c16a80f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x152A4 | 18212 bytes |
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