MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to multiple compromised WordPress sites and disposable hosting domains, which is a common tactic for phishing or malware distribution. The presence of numerous external URIs and link farm heuristics strongly supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
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://wastran.ru/uplcv?utm_term=writing+parabola+in+standard+form
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608453bb7fb53---dimexemawafon.pdf
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606da6346f2aa---62992147439.pdf
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608fb15d7d5e0---sawugagiwekolofule.pdf
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/3a7debf3451720abe1466142b893fe68/41351240381.pdf
- http://axwelindia.com/uploads/2570265877.pdf
- http://pokorny-podlahy.cz/UserFiles/File/bumelulabu.pdf
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/ac88b17c7013b136696d16cfa6b579f0/megizelorisu.pdf
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16073d249becb3---sazijigemusibonotemufus.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/ac04c09ad35e2e2e5d734607261728d7/37799617645.pdf
- https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16080bd330ccec---84828678233.pdf
- https://copperscraphandlers.com/ckfinder/userfiles/files/mopowetenefipek.pdf
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/q3jal3g33ifsqieh7ksqals7t3/parodov.pdf
- https://barrierball.cl/ckfinder/userfiles/files/ratuwag.pdf
- http://banghaija.com/userfiles/file/82694915987.pdf
- http://airsoft1.ro/files/file/66270290607.pdf
- https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096deed84a28---65874434206.pdf
- http://sosnovgeo.ru/userfiles/file/43111349573.pdf
- http://gtshotel.it/images/file/64314825477.pdf
- https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/6589d6a98c06f216588a0ac2d9f6ee87/89188342085.pdf
- http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16086813431270---57009700089.pdf
- https://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/61bc5cb9c134c5eb92a1e588fbf8f900/nukiseri.pdf
- https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/t7gun5t8s0p3o2adu0587pukqv/xemudobixidug.pdf
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092425a396f2---69014128027.pdf
- https://taxiporec.top/wp-content/plugins/super-forms/uploads/php/files/md8vv8ekd1hgt5n4p89u9pojg2/dikemamaguvo.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dc35.bin443282b9b4b01d475b226d99aae63b246436509e8b50c6162bb18484684dd9ae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC35 | 10840 bytes |
font_01_sfnt_off0000f4be.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4BE | 16792 bytes |
font_02_sfnt_off00010cd0.bin254563081c158d03768b8173934d16bf45bfe746b4cb5232af686988c06057fe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CD0 | 17916 bytes |
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