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, and exhibits characteristics of a link farm pointing to compromised websites. The PDF contains numerous external URIs, including one that appears to be a redirector with a 'utm_term' parameter, suggesting an attempt to lure users to potentially malicious content. No scripts were extracted, but the overall structure and heuristic firings indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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=apple+pages+export+pdf+with+comments PDF link annotation
- http://www.mostex.sk/files/articles/file/zakebusalewigovijejaxota.pdfIn PDF document text
- http://beijingteye.com/upload/files/kuxevuregipaju.pdfIn PDF document text
- https://synersys.fr/contenu/file/7271618825.pdfIn PDF document text
- https://emilline.dk/ckfinder/userfiles/files/xulajotowatebovif.pdfIn PDF document text
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1607fb2a3ecde4---35673411891.pdfIn PDF document text
- https://www.tyrtaios.gr/ckfinder/userfiles/files/seriwikuwalanikagunubete.pdfIn PDF document text
- https://thekolkatapackersmovers.com/ckfinder/userfiles/files/wobunoroxiw.pdfIn PDF document text
- http://residencecarlofelice.com/userfiles/files/80180763340.pdfIn PDF document text
- http://carriewoodfamily.com/clients/5/5b/5b9f2fb360c4065436fb7fe1267c3612/File/30003432708.pdfIn PDF document text
- http://geodeslaboratori.eu/userfiles/files/sujewupeni.pdfIn PDF document text
- https://thekolkatapackersmovers.com/ckfinder/userfiles/files/kagogezodozarak.pdfIn PDF document text
- https://nepalaviationmuseum.com/userfiles/files/78609960759.pdfIn PDF document text
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608432096d193---92071919339.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/a249c348b31aed021f1a2ed27df1fea3/62302222649.pdfIn PDF document text
- http://jdjfjx.com/images/upload/File/mibaluxibul.pdfIn PDF document text
- http://jp-cable.com/d/files/buxubemaguxozed.pdfIn PDF document text
- http://kadh.kr/bobod/upload/file/kenabizipagudixinefiwarem.pdfIn PDF document text
- http://jedwines.com/cmsCart//upload/file/kexevuzikowomerijofe.pdfIn PDF document text
- https://aviatroglo.fr/IMG/file/79608713732.pdfIn PDF document text
- https://xo-sound.ru/userfiles/file/xegolufejivufolivekoka.pdfIn PDF document text
- https://victorybear-info.com/userfiles/files/49933740199.pdfIn PDF document text
- http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/160b169b716cff---25481646798.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_off0000e947.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE947 | 11236 bytes |
SHA-256: 8782f9e79b0fdaf803e9fe35379c6b23c13310b79489d545ee0ed57305256355 |
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font_01_sfnt_off00010354.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10354 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011b66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B66 | 18040 bytes |
SHA-256: 2091bcb24a18780df218b6b7e44b84efd2c32f72fae9d0acf80a37a5c41e377d |
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