MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to compromised CMS uploads and disposable hosting sites, often with UTM parameters suggesting SEO manipulation for lures like 'gta 5 free download'. This pattern is consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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 https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/gj8ianeq018kkltd7eaa1tfe1n/gamigobigonujeze.pdf
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/160c60b31beb9f---podomu.pdf
- https://demircanticaret.com/userfiles/file/31612512262.pdf
- https://vegan-eshop.cz/data/file/xonilijiwiwumozo.pdf
- https://ferropula.hr/files/lumuvezebinefa.pdf
- http://snsi.jp/image/news_file/timusabopipetiged.pdf
- http://zkojicin.cz/userfiles/file/xaruzivanowavugadepowaz.pdf
- https://vntdc.com/upload/fck/file/34419383674.pdf
- http://magyaringatlanadatbazis.hu/dev/_user/file/sofinudibez.pdf
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/j5qbqa77jei1qh70c5u5hufai6/20180042544.pdf
- https://mayxaydungthienlong.com/uploads/files/files/vejumojiba.pdf
- https://eletvital.hu/uploads/files/mifidozite.pdf
- http://frangarcia.eu/upload/file/78584457287.pdf
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b215286c78---visituravetorovikaduz.pdf
- https://bititechnika.com/uploads/file/90060163384.pdf
- http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1611a66c0790e2---39599643241.pdf
- http://yepuco.com/uploads/files/dowemipetifix.pdf
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160960e62a4014---dupowijoxudukuvejoga.pdf
- https://tl-systems.hu/files/files/72861196415.pdf
- http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/bae58b9868f5ac46a7a2f35c506eb4db/dotepetometopewudumakodu.pdf
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160bf43e4a1bca---10754839509.pdf
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/eca4618d820d4dd1562d9f0d7e92731d/3096057501.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=gta+5+free+download+for+pc+offline+without+license+key
- 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_off0000eff1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFF1 | 16792 bytes |
font_01_sfnt_off00010803.bin07c19739392202558c784f98cb2ca0bab2dcad186a49fd3ef496758d68d9a202 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10803 | 17616 bytes |
font_02_sfnt_off0001365a.bin38270005f7a4c2ab7025f195bdfe959a427fce4f40bfbd1bc7b4b0e6f1281f7d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1365A | 11284 bytes |
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