MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous embedded URLs pointing to various domains, many of which appear to be compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a non-clustered link farm on disposable hosting, reinforcing the phishing or malware distribution intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://ketchas.ru/uplcv?utm_term=epiphyllum+phyllanthus+pdf
- https://aimhc.com/userfiles/file/38378101591.pdf
- http://partner-support.net/user_data/userfiles/files/womoki.pdf
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e336769777---vikezema.pdf
- http://www.propper-droppers.nl/files/file/duloburedo.pdf
- http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16094d8c1e040b---punexarujokaponareg.pdf
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085205693469---wozumovulij.pdf
- http://dharmapuridiocese.com/svnprojects/DHD/Source/images/files/xigituxeluro.pdf
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/1608ff255c5917---40446931302.pdf
- http://bekescsaba.varosom.hu/userfiles/files/xokabaxe.pdf
- http://wdnederland.nl/file/kazapo.pdf
- https://biothiennam.com/media/ftp/file/wonatosew.pdf
- https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/hgjrcjbue35d5b2um5im3fv502/gesuzetubazonu.pdf
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080d267a89f0---89272699437.pdf
- http://cherryontop.pl/upload/fotki/file/31450072337.pdf
- http://tourister.kr/userfiles/file/jijug.pdf
- https://morabia.fi/images/file/32692232431.pdf
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/2f33eb7f16ac42bbaf24043e3790d51b/62533783163.pdf
- http://ahxxzx.com/userfiles/202105/file/30341831317.pdf
- http://location-appartement-venise.com/italie_documents/files/zazikatexo.pdf
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098475e0bf9e---78298338008.pdf
- http://ilovemynewstemcells.com/clients/865932/File/tofonutugitibivape.pdf
- http://hide-bo.com/img/tmp/file/wokuzabemojenapisirare.pdf
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/u8f93ovgvdeou3bqvqdhu23dd7/dipugefudufamudajidolevak.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_off0000e63f.binc9a3e971f9357c074379cf197f27dc05abcfc915fb8ac149c8fbedd16591dd8b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE63F | 10608 bytes |
font_01_sfnt_off0000fe40.bin938acf2c3d8d3ce0a0ea8be99dae9558b70c941456507b4aadfd62a6651afbaa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE40 | 18704 bytes |
font_02_sfnt_off00012f18.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F18 | 16792 bytes |
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