MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised WordPress sites, suggesting it functions as a link farm or phishing lure. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this, indicating attempts to leverage SEO or compromised infrastructure for distribution. No scripts were extracted, but the overall structure points to a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://oniceh.ru/uplcv?utm_term=gta+episodes+from+liberty+city+pc+download+apunkagames PDF link annotation
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/a3fcafa61688f99f03d82388eb4b1475/63108519022.pdfIn PDF document text
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/1606f65af7eaa8---dudovekil.pdfIn PDF document text
- https://amitadevnani.com/userfiles/file/95981887563.pdfIn PDF document text
- http://zlato-invest.cz/upload/files/26511460920.pdfIn PDF document text
- https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/e732c9cbbee9dcdf1ba5abd762377fb3/24521261002.pdfIn PDF document text
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/ca7dba7e1643df1c15648bd6eee290f8/1552063940.pdfIn PDF document text
- https://eingangrad.ch/userfiles/files/jenovubumopevi.pdfIn PDF document text
- https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/07e93dcc9e02710d14e6d7455ed27c98/moxidexifituker.pdfIn PDF document text
- http://sun-green.be/ckfinder/userfiles/files/74903036715.pdfIn PDF document text
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/45e4f5c03cc69ba0eb86cad40ac8cd4a/robaxit.pdfIn PDF document text
- http://projectbudapest.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1609db9c48ac78---7883481448.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/b0137313dd408964b13e08d0643db2af/87039101111.pdfIn PDF document text
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d463c29a084---lizixalov.pdfIn PDF document text
- https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/e6ac2766bb25b9d5a76e14e53b5827fb/bujigisesorumamewenotojej.pdfIn PDF document text
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/vq9ku6718nb9o3l44lr6d8c2l3/ladisa.pdfIn PDF document text
- https://pcstaiwan.com/ckfinder/userfiles/files/devibipi.pdfIn PDF document text
- http://thestarbusan.net/FileData/ckfinder/files/20210603_1D14A800FA6F3E90.pdfIn PDF document text
- http://harchovyk.com/userfiles/file/26087868890.pdfIn PDF document text
- http://saigondome.com/uploads/userfiles/file/navasuzivopavafanito.pdfIn PDF document text
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b7af5e2cf4---nananat.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/8ucrl8il0tt41ojoo8lfmvj8me/burasunimoredetena.pdfIn PDF document text
- https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8963e19ac0---3827447498.pdfIn PDF document text
- http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072782ddf2d4---87617046261.pdfIn PDF document text
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/po8jf8sqogsk58nsrglmo1io8g/pusevudoro.pdfIn PDF document text
- http://codemessaging.net/ckfinder/userfiles/files/puwefivizomuza.pdfIn PDF document text
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/540tma3im4177rqltli89m5df5/37342179739.pdfIn PDF document text
- https://al-farh-iq.com/upload/userfiles/file/pefab.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_off0000f28c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF28C | 17916 bytes |
SHA-256: ddf08247b34c22eefc8bcb61418dee0590ee7982bef8315637bec2b3053b9e94 |
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font_01_sfnt_off000120d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120D0 | 11532 bytes |
SHA-256: d54a54c5939eb2e732c8f49f24c146a585002587a3da37d16e0b538c66be746a |
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font_02_sfnt_off00013bd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BD6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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