MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier with high confidence. Heuristics indicate the document functions as a link farm, containing numerous external URIs pointing to potentially compromised websites or disposable hosting. The primary URL identified is https://infrive.ru/uplcv?utm_term=google+play+services+apk+for+firestick, suggesting a lure related to software downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://infrive.ru/uplcv?utm_term=google+play+services+apk+for+firestick
- http://csaladiegyteruautok.hu/userfiles/files/39524543672.pdf
- http://szalkasszorutacskok.hu/app/webroot/files/content/files/gegejifejogubaruso.pdf
- http://immodraft.de/images/architekten_agentur_images_/file/dutelopixugal.pdf
- http://vitanova-cattery.com/upload/file/parunotesakelufa.pdf
- http://www.grifin.sk/files/2466145224.pdf
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091e3bc4d26a---bubifatirajikisifad.pdf
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/160941e07382f1---67554453868.pdf
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/2f7dd04279fdb3ebb0f8c734d8c934a1/16737073359.pdf
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160985acecd8e6---lexadivevofa.pdf
- http://geologicatoscana.eu/userfiles/files/17933026980.pdf
- http://akekaluck.com/ckfinder/userfiles/files/83814853490.pdf
- https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/2i6onut8mqp2a5eqpfgdon3vba/95165980448.pdf
- http://www.hermosabeachbungalows.com/userfiles/files/49986277116.pdf
- https://olmitek.by/wp-content/plugins/super-forms/uploads/php/files/r2fdltgnauprcis0q1qe7sadc0/63239349750.pdf
- https://balaji-technology.com/userfiles/file/mifawoz.pdf
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/2co3ld29417hnj0c9v64l0fkff/dojasebepifaf.pdf
- http://07-3739589.com/CKEdit/upload/files/vanakokuxuxofijedilavonuf.pdf
- http://lhsclassof1971.com/clients/74120/File/56978275730.pdf
- http://short-story.ru/upload/file/43670860328.pdf
- http://broadmoor79.com/clients/864886/File/wizafofotabetupurab.pdf
- https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adfe7960b9a---bisesokulagaxelapese.pdf
- https://teamcode.net/upload/files/ribofezurafalijileruropi.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_off0000e59b.bindce4f2ad46bf32bf1e15329c0578422de219033df66d5f070649c5f379cdda09 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE59B | 17148 bytes |
font_01_sfnt_off00011286.binb93d254b4e374df28cc1ce6e86d0a56d3debb11f51a20af09411a66453fc5cd0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11286 | 10864 bytes |
font_02_sfnt_off00012be4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BE4 | 16792 bytes |
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