MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to potentially compromised websites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests these links are designed for SEO manipulation or to distribute further malicious content, making the primary attack pattern a phishing or redirection scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9830
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://ewinghighclassof1963.com/clients/e/e4/e4cb61fc1babc639533983e887b7272d/File/bokuvebat.pdf
- https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/d5b7e2d34d75dfa860ce84c2fc95eaa5/12196759942.pdf
- https://vansuloi.com/uploads/userfiles/file/64165085001.pdf
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4a0732e1d2---ravatagibafuxanulas.pdf
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/9f0554970dd0d50663c61ab1f4271a6c/lekomefogibaminelubaja.pdf
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/ddc435538d0745f4c8c57b5b1842484a/jegenukonejararopipef.pdf
- http://juniorsmagazine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160855a22d5559---42506605340.pdf
- http://osc-pribor.ru/products_pictures/file/69462936979.pdf
- https://www.helmmsp.ca/wp-content/plugins/super-forms/uploads/php/files/acbbe255b6f708e774e7f0f3c9db1bec/9424335640.pdf
- https://alakharia.com/public_html/userfiles/file/kusogolozejejunikuzowotu.pdf
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607a4a1b2dde7---82071095142.pdf
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/958e4235e7757ea48e8644a74fb5bd5f/28837454026.pdf
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/loq3uhcrinmkqsab3jjg22afr5/40495062440.pdf
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c930aa1842---puvuvoxefidemogilutup.pdf
- http://koryosushi.com/uploads/files/23847275954.pdf
- http://ackerviewguesthouse.com/userfiles/file/14505261504.pdf
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/bba5d8dca024921b10c58d580fed1e3c/3645032847.pdf
- http://aarogyamedico.com/userfiles/file/59489782168.pdf
- https://bbpartner.cz/userfiles/file/14682441885.pdf
- https://xanbiente.de/userfiles/file/ramip.pdf
- https://srilangkapools.com/contents//files/kozofusudajeji.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=how+do+you+spell+grandpa+in+polish
- 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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000108f8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108F8 | 16792 bytes |
font_01_sfnt_off00012105.bin659240b857f76c639e279f592ef67dc2fa599da59722546a6a62fa8724dcc307 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12105 | 2208 bytes |
font_02_sfnt_off00012ae7.bin6f2e39523559a3d7fd291807ba2ef2fd713d6bc6001f9717c43944617db17c4c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AE7 | 16876 bytes |
font_03_sfnt_off0001433c.bindd014d047f72e294988915482583f676de4bbb712bbc7a7e010c0d9718bd9096 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1433C | 19832 bytes |
font_04_sfnt_off000175c9.bin5d696fe73761c56546cb8832099afdb870141c25ffff96ba4182a14dd190f421 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x175C9 | 10864 bytes |
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