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. Heuristics identified it as a link farm pointing to compromised WordPress uploads and disposable hosting, suggesting it's used to distribute further payloads or conduct phishing. The embedded URLs, such as https://coretry.ru/uplcv?utm_term=san+andreas+android+obb, are likely part of this distribution chain.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://coretry.ru/uplcv?utm_term=san+andreas+android+obb PDF link annotation
- https://toppelletmachine.com/d/files/40174580170.pdfIn PDF document text
- https://cashcruis.ru/wp-content/plugins/super-forms/uploads/php/files/d8d4a7f26a414a23b10cef73a4148267/ganejegomokemaxokuzerinez.pdfIn PDF document text
- http://myucmas.com/userfiles/file/toduwusikix.pdfIn PDF document text
- https://sagarexpress.com/userfiles/file/legewoxibutefukilenulude.pdfIn PDF document text
- http://sportgalaktik.sk/userfiles/file/worovivoselagidewifebu.pdfIn PDF document text
- http://zoncmswebsitebeheer.nl/files/editor/file/77673887116.pdfIn PDF document text
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/a5209793d0abade4d7e8a976f56063b8/21873307088.pdfIn PDF document text
- http://ip-golubev.ru/ckfinder/userfiles/files/56762259549.pdfIn PDF document text
- http://leoclubmarsala.it/userfiles/files/85050908303.pdfIn PDF document text
- http://xn--djr00fsyfv0o5qgy9u.com/filespath/files/20210907200018.pdfIn PDF document text
- http://elfast.ru/userfiles/file/55565981184.pdfIn PDF document text
- http://gniortho.com/files/Upload/file/41625585979.pdfIn PDF document text
- http://as-eng.biz/userfiles/file/fazod.pdfIn PDF document text
- https://datawire.gr/files/files/xofoluzoruw.pdfIn PDF document text
- http://2015.letnifestiwal.pl/ckfinder/userfiles/files/lubafufojab.pdfIn PDF document text
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/9073fe03501c2829194dcbb6ea228a3f/7369857396.pdfIn PDF document text
- http://www.wcd.com.tw/ezadmin/ckfinder/userfiles/files/46716719896.pdfIn PDF document text
- http://www.s4b.nl/upload/files/65749069075.pdfIn PDF document text
- http://stillincontact.com/images/mails/file/vazipabinok.pdfIn PDF document text
- http://thermogroup.ru/uploads/files/govudelosuxinugojukuwuxi.pdfIn PDF document text
- https://thefencedocumentary.ca/adminfiles/file/49469112684.pdfIn PDF document text
- https://mountmoriahcamp.com/media/57317133168.pdfIn PDF document text
- https://www.osteopathe-montpellier-sud.fr/ckfinder/userfiles/files/34336073620.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_off0000bcff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCFF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d516.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD516 | 10312 bytes |
SHA-256: 742298dec3635269665fe8248b00549ed3d17d3d848e3776249f95082eba8981 |
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font_02_sfnt_off0000ec5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC5C | 19376 bytes |
SHA-256: 3cc172efc2593229cca1bf1053658c1977ea4201098bce42d74a0f744e2f1899 |
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