MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as 'Pdf.Phishing.Trojan' and by an ML classifier with high confidence. It contains numerous links pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of these links indicates an attempt to distribute phishing content or malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160702e93a7b4b---76658634781.pdf
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7914c76f5c---dezinexuli.pdf
- https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/ed647639fc026a774bba0c9d87bdf2ad/28969953020.pdf
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/g5khrv61mpjpln2opn1vf2ooeb/kosisutipizetu.pdf
- https://bravo-hk.com/userfiles/file/44177103100.pdf
- http://industrialdevices.in/uploads/xuforenukeginagudepakib.pdf
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160c32c5688731---92026292037.pdf
- http://pspectr.ru/userfiles/file/rakuvonopuba.pdf
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bfe4d98960f---xelobafemeza.pdf
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be80f014afd---dabasizujugarakina.pdf
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/05125ff0dfda3174e5e93306ae897fec/3354843994.pdf
- http://signexpowholesale.com/project-new/christianbook/upload_images/file/4355144526.pdf
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/l0oh0gpf8omjec3uftdt1lusgf/pipuxixisosivaxizo.pdf
- https://krassimirtaskov.com/userfiles/files/mibavonodumimokas.pdf
- http://madmojo.com/fckupload/file/tasopamebolufo.pdf
- http://scbczy.cn/up_files/file/20210624_142109.pdf
- https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/32150ed1c04b7ce97472ffd93d21dd09/xepuwasefikamileka.pdf
- http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607fc68115209---68291983900.pdf
- https://asi-filter.pl/files/file/21174919203.pdf
- http://be1971.com/clients/a/a1/a19be2fc4cf8b198b52f296748481ce5/File/84380966985.pdf
- http://cappellastudio.it/userfiles/files/wifozovenumoxurolawazugo.pdf
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607620f26a536---92796543671.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=how+often+to+change+manual+transmission+fluid
- 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_off0000f131.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF131 | 16792 bytes |
font_01_sfnt_off00010943.bin9b05beb8efa45aab14498f7c52332335a72dd8737c87ec2caae45eb40dde8348 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10943 | 16660 bytes |
font_02_sfnt_off0001349c.bine2f23eb0aaf8125959478c95598048fe97102eaeb073d988466911d795d92db1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1349C | 11100 bytes |
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