MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, detecting it as Pdf.Phishing.Trojan. It functions as a link farm, directing users to multiple compromised WordPress upload directories and disposable hosting sites. The embedded URLs likely lead to further malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9869
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://asfus.net/virgsurv/userfiles/file/84098019870.pdf
- https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/732821a6e31a910627cd3977e7baca3e/kidoxotupasi.pdf
- http://www.kickcommerce.com/userfiles/file/47598781535.pdf
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/cd9b9f00a16714f3a2ca58fa72bec903/ketezuregalutum.pdf
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d19afe290c6---sejokewisexawibaf.pdf
- http://rlponder.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/ralobenaf.pdf
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/5313924d2f6d4eec56e40b9446ad6b72/povubokufolubuje.pdf
- https://bonpetsupply.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b7d341f3c9---vogitoferujosawotama.pdf
- https://beaszemin.com/files/30865193076.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a095496be64---tolamorumoguvozutigevatix.pdf
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0dbbfc8d4d---82803268257.pdf
- http://hytechplus.com/userfiles/file/77426001890.pdf
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608df9bb59660---dolutovavovusojepanegurof.pdf
- http://janatalnajaf.com/basefile/janatalnajafcom/files/begifujimatako.pdf
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/93cfdb273f0866e27ce905551a34a24a/51784185434.pdf
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a3e8dd61ca6---navefa.pdf
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/t2fu7ll61b7j5mge1tf2g274q0/buwaxutawosasitajeropa.pdf
- https://ivanamihic.com//files/fateromekebomul.pdf
- https://smartcirclegroup.com/userfiles/file/39454499197.pdf
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b507cd67414---viliminazejurijipotoretox.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=japanese+transitive+and+intransitive+verbs+list+pdf
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001a6a3.bind4835abd1ce6008739478ca7a371a8907065fcbfe8e48b952383723bb8b1214a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A6A3 | 69400 bytes |
font_01_sfnt_off000254d9.bin8381824d87e9dd28e4575d41161eeed6ed2940c0cb0fa8640c3458c40f15f25d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x254D9 | 17816 bytes |
font_02_sfnt_off0002831d.bin38e1ceda36c67e1e05e5f87bf6603e6132326e4824e645c25f81cca2f345adfc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2831D | 10568 bytes |
font_03_sfnt_off00029b22.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x29B22 | 16792 bytes |
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