MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as a phishing trojan. It contains a link farm pointing to multiple disposable hosting sites, suggesting an attempt to distribute malicious files. The presence of a 'download' button heuristic further supports this phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://ndmoyun.com/calisma2/files/uploads/xuzaf.pdf
- https://zifu-tech.com/app/webroot/userfiles/files/gafovozekere.pdf
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614541f767a61---94413071445.pdf
- http://2safe4u.cz/UserFiles/File/82281866372.pdf
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/0415f9af66f81c2b378b74270d69b09c/31547111567.pdf
- http://srilakshmienterprises.net/uploads/rinelimumelakisilelug.pdf
- http://xn--oy2b19v1mb1yi.com/userfiles/file/1763670218.pdf
- http://expertsystemgroup.com/file_media/file_image/file/72711413533.pdf
- http://studiolaviano.it/userfiles/files/rovadaz.pdf
- http://atmaircenter.com/lb/userfiles/files/30055950636.pdf
- http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/161425e82aa0d6---48334737575.pdf
- http://issaproject.com/app/views/panel/ckfinder/userfiles/files/kenujanuzekozilerofenug.pdf
- https://milsagliksen.org/upload/ckfinder/files/pomukupunile.pdf
- https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/52e2272d60e992c6ac1313d3492bb8a5/bedilijalu.pdf
- https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/8987574da972b796320bbde7b4098054/sosabifazisepajifetemez.pdf
- http://daglichtfilters.nl/ckfinder/userfiles/files/99581055624.pdf
- http://jatyn.cn/upfiles/202109/file/1630700444.pdf
- http://fonnepal.org/userfiles/file/40596497162.pdf
- http://iburgisidimarsala.eu/userfiles/files/limufop.pdf
- http://vodnik48.ru/content/file/56588526447.pdf
- http://ebbers-schilderwerken.nl/uploads/files/zileruwa.pdf
- https://ikitellirezistans.com/upload/files/73697892966.pdf
- http://topas.lt/userfiles/file/dibakixivaxulone.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=call+of+duty+modern+warfare+torrent
- 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_off0000d7df.bin5ede4b957611b8dd6c9788f35487167982d0afeaf2932298b716f19be4f5f867 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7DF | 10588 bytes |
font_01_sfnt_off0000f026.binb68f356759712b5261712bb0862f9e0eb1ec5cb3508bc1736ae1f5bae4707b35 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF026 | 18564 bytes |
font_02_sfnt_off00012031.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12031 | 16792 bytes |
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