MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous links, many of which point to compromised WordPress sites hosting other PDF files. One URL, 'https://wastran.ru/uplcv?utm_term=download+tekken+6+apk+for+android', suggests a lure for downloading applications. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
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://wastran.ru/uplcv?utm_term=download+tekken+6+apk+for+android PDF link annotation
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143f47b698d7---dowifejatugewobijodiji.pdfIn PDF document text
- https://ijpdua.com/contents/files/webokuvapavubujaxiboze.pdfIn PDF document text
- http://euromarkcreations.com/new/fck_img/file/900181452.pdfIn PDF document text
- http://levne-pohary.cz/UserFiles/File/9874068524.pdfIn PDF document text
- http://centromp.it/userfiles/files/85494501970.pdfIn PDF document text
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/161440a681fca9---33386180386.pdfIn PDF document text
- http://ylgems.com/file_media/file_image/file/67069507041.pdfIn PDF document text
- http://www.boldino-hotel.com/ckfinder/userfiles/files/38577007245.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137f17a1b9d1---totasopa.pdfIn PDF document text
- http://theheavent.com/userfiles/files/lixokugufitesisan.pdfIn PDF document text
- http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/wijizokotide.pdfIn PDF document text
- http://futsalcb.cz/picture/vtextu/file/kepewewitaxarobelekevam.pdfIn PDF document text
- http://www.bash.cl/media/file/24989366430.pdfIn PDF document text
- http://artsar.pl/userfiles/file/tafiferabokovuj.pdfIn PDF document text
- http://dubilex.com/userfiles/files/guluguviwutorikorawo.pdfIn PDF document text
- http://actlogistic.vn/upload/editor/files/97864239432.pdfIn PDF document text
- http://rovitek.com/userfiles/file/98807436928.pdfIn PDF document text
- https://mimpishio1.com/contents/files/24522440707.pdfIn PDF document text
- https://fluffy-chins.com/images/file/81752031913.pdfIn PDF document text
- http://cambresisemploi.fr/ckfinder/userfiles/files/90953707326.pdfIn PDF document text
- https://esvigo.com/upload/files/29458869903.pdfIn PDF document text
- http://www.integra-cr.cz/administrace/ckfinder/userfiles/files/92661216201.pdfIn PDF document text
- http://wamer.org/userfiles/file/34196554141.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e6e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6E9 | 10668 bytes |
SHA-256: ef820e9bad3a4c93b06c74b32d70d09f229a543c92ab044f29f7a235f6e2cf43 |
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font_01_sfnt_off0000ff81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF81 | 18008 bytes |
SHA-256: 643e9da78b6d1f6de3c678d29af66dcfaf6d0f2c1d7a26962b4915af7b7ed896 |
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font_02_sfnt_off00012e8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E8B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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