MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to multiple external websites, some of which are hosted on compromised CMS platforms. The presence of UTM parameters in some URLs suggests a tracking or phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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=kim+k+playboy+cover PDF link annotation
- https://cfi-registration.amyhalter.com/buzzboxgift/img/userfiles/files/tusulexonajare.pdfIn PDF document text
- http://www.zywawiara.pl/pliki/nutul.pdfIn PDF document text
- http://haiqi-machine.com/d/files/lawen.pdfIn PDF document text
- http://csc028.com/userfiles/file/20210909124313_s08m52.pdfIn PDF document text
- https://pixel.bg/img/file/19932592863.pdfIn PDF document text
- http://chuabenhxuongkhop24h.com/images/files/bidinu.pdfIn PDF document text
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138b656e1b19---tiwutekobuzejisez.pdfIn PDF document text
- http://cobansut.com/userfiles/file/31927147786.pdfIn PDF document text
- http://shipsupply.ru/userfiles/files/fobedo.pdfIn PDF document text
- http://thewesternmist.com/userfiles/file/93484449928.pdfIn PDF document text
- https://www.smartfutureexpo.com/ckfinder/userfiles/files/gevorukosoxawabemiwa.pdfIn PDF document text
- http://koppeika.ru/userfiles/file/jawufusagijemepawimup.pdfIn PDF document text
- http://acmemask.com/upfiles/editor/files/wexuginapejerusepobod.pdfIn PDF document text
- https://www.hs-hofgastein.salzburg.at/ckfinder/userfiles/files/36393465021.pdfIn PDF document text
- https://zemtechnika.lt/public/site/0files/12264465559.pdfIn PDF document text
- http://tlumacz-francuskiego.pl/userfiles/file/fewowe.pdfIn PDF document text
- http://gonzagafood.com/userfiles/files/32860087125.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613c8d1402064---32415348252.pdfIn PDF document text
- http://american-security-inc.com/assets/ckfinder/userfiles/files/24850192025.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/wuzisobo.pdfIn PDF document text
- http://solis.altrodesign.eu/ckfinder/userfiles/files/romakovu.pdfIn PDF document text
- http://daisytalavera.com/userfiles/files/vapagerezet.pdfIn PDF document text
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/161304fea96eb8---58668737831.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_off0000dd2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD2B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f53d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF53D | 18556 bytes |
SHA-256: 01ad9afae37cd61bec9c7bd01d20a4a62a944637195b262e2bdc3ec8fec5b17a |
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font_02_sfnt_off000125ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125AD | 10568 bytes |
SHA-256: 2d80f9e951fea57f72bfdfb5e9b155c2936fcb0c436000b3ad7866814dcf85e7 |
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