MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to WordPress installations that appear to be hosting malicious files. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using disposable hosting for link farms, and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' suggests these links are hosted on compromised sites. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect users to phishing or malware sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/160a1188bcedf8---wufufanazapujujexupi.pdf
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16077a48bd2f5d---4435261082.pdf
- https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/d2q8m6etm7v9mmhuo4ff648f9n/fosuvaxomunu.pdf
- https://evermoral.hk/upload/file/1624428917.pdf
- http://ridgefieldpark1967.com/clients/3/39/39eebdc8797e30ee23d4fd57d071fd44/File/81034746788.pdf
- http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16092d262a669f---zedanidez.pdf
- http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba4639017ab---zavexajasewuxez.pdf
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e4baafe399b---vuritapakaj.pdf
- http://jikaramen.com/uploads/files/5978675047.pdf
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609849f897e08---ketox.pdf
- http://tipiland.net/upload/file/39500915792.pdf
- http://eprdel.cz/userfiles/file/76884404463.pdf
- http://progetec.org/userfiles/files/3789647968.pdf
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/f549efc5198a7da92a676d4de3fea48d/48153423669.pdf
- https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/vugjpdqpfknc290rrd9cij7ntb/72667210519.pdf
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/b72ed4853eea5c43c0f2de57b64682b4/makifewilonefiximut.pdf
- http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfc884cbc42---jobulisisiweberezip.pdf
- http://vds-construct.pl/userfiles/file/gavenaxuzunojupidoxikimen.pdf
- http://mini-garden.ru/userfiles/file/gexubigefag.pdf
- http://reanda.com/jingkelun/userfiles/files/20210617072810.pdf
- https://biocoils.com/img/file/kodepor.pdf
- https://www.nrlandscapes.co.uk/wp-content/plugins/super-forms/uploads/php/files/3424ff6b8cfecb3e6769661cd976f42c/mumetasimit.pdf
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f553e960e2---81392241861.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=the+great+gatsby+chapter+2+quotes+with+page+numbers
- 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_off0000edec.bin92b8ab22f5e5e542dae0ed42fcb7f5e0175d474e53cc46e20cb74ea14ba3c838 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDEC | 17216 bytes |
font_01_sfnt_off00011ad9.bin9d2b3289f4567977b31a709232440111ff76ce0fbe10a37dbc37bb6b55ee1368 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AD9 | 11444 bytes |
font_02_sfnt_off0001355b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1355B | 16792 bytes |
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