MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external URIs pointing to disposable domains, indicating a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics strongly suggest a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
Heuristics 5
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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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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://allytemp.ru/uplcv?utm_term=whatsapp+problem+android PDF link annotation
- https://helices-evra.com/userfiles/file/zepizokizonujiv.pdfIn PDF document text
- https://kujainspectors.com/candyticket/uploads/page_images/files/10556329254.pdfIn PDF document text
- https://wheelmartthailand.com/image/upload/File/556155953.pdfIn PDF document text
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1613ea676dd67e---10000408534.pdfIn PDF document text
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/rj14s2cphab8rdjaqasgfmsdrt/bodak.pdfIn PDF document text
- http://lor-rostov.su/userfiles/files/91311490127.pdfIn PDF document text
- https://pt2-turbo-j3t.com/contents/files/2636848872.pdfIn PDF document text
- http://karpatskiles.ru/store/file/61436667321.pdfIn PDF document text
- http://computerdoki.hu/user/file/lowiwunilefagajujakin.pdfIn PDF document text
- http://polyalpan.hu/_user/file/zoduvojodu.pdfIn PDF document text
- http://mt-filtration.com/uploaded/file/1518622835614a1ca200840.pdfIn PDF document text
- http://herfon-machinery.com/images/ckfinder/files/20210916235627.pdfIn PDF document text
- http://pokebarslo.com/uploads/files/29572558394.pdfIn PDF document text
- http://tjsyjdq.com/v15/Upload/file/202196174464041.pdfIn PDF document text
- http://barahi.com/assets/userfiles/files/9744201316.pdfIn PDF document text
- http://borik.customreal.sk/data/files/fitefokazinemebikurefew.pdfIn PDF document text
- http://www.sname.org.tw/sname/ckfinder/userfiles/files/83953764579.pdfIn PDF document text
- https://gastrotest.co/ckfinder/userfiles/files/rureso.pdfIn PDF document text
- https://www.theknowledgeonline.com/files/lib/ckfinder/userfiles/files/vafuvizutozagokasinebu.pdfIn PDF document text
- https://sinarlangit1.com/contents/files/45374280092.pdfIn PDF document text
- https://maharajganjtimes.com/assets/ckfinder/core/connector/php/uploads/files/14755558371.pdfIn PDF document text
- http://zbraneklapka.cz/ckfinder/userfiles/files/37664285121.pdfIn PDF document text
- http://stickerbarcode.com/file_media/file_image/file/76226698791.pdfIn PDF document text
- http://eminenceinc.com/userfiles/file/funixaladosubisus.pdfIn PDF document text
- http://munnarteabungalows.com/userfiles/file/82717759452.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_off0000c305.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC305 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000db17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB17 | 18992 bytes |
SHA-256: 75c021eeb0eb22fa80bfb49926a18e0a458c904188ae7b0a92e67c4b1941a228 |
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font_02_sfnt_off00010baa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BAA | 10788 bytes |
SHA-256: 37ed3d264f94076fca29113ca0a219e345a98a6d89e67fb1b6e6c1b4bdfaa410 |
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