MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, with one specifically identified as a lure for downloading software, and a heuristic indicating a fake invoice or payment lure. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to download a second-stage payload via the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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=naruto+storm+4+for+android+free+download PDF link annotation
- http://vkp.ru/upload/global/file/dorud.pdfIn PDF document text
- http://52963566.com/upload/file/202109071645401617.pdfIn PDF document text
- http://signexpowholesale.com/project-new/christianbook/upload_images/file/79792753137.pdfIn PDF document text
- https://arerp.kr/data/file///70345981482.pdfIn PDF document text
- http://www.niceresidence.net/image/upload/File/94468232683.pdfIn PDF document text
- http://inkjetartandimage.com/Uploads/file/bekelefudet.pdfIn PDF document text
- http://esen.life/userfiles/file/fupuwulax.pdfIn PDF document text
- http://unternehmensberatung-hegenbarth.de/userfiles/file/58560634043.pdfIn PDF document text
- http://greensquares.in/userfiles/file///marosiwenobatikokuduborul.pdfIn PDF document text
- http://ninda.vn/userfiles/files/72218282735.pdfIn PDF document text
- http://luligang.com/ckfinder/userfiles/files/rixifamaxomes.pdfIn PDF document text
- http://propertiesforrent.com/userfiles/file///gotawazosamiwabiw.pdfIn PDF document text
- https://sikdercollegeofpharmacy.com/scp/ckfinder/uploads/userfiles/files/vofapuxini.pdfIn PDF document text
- http://conganbacgiang.vn/app/webroot/uploads/files/sesurojamumemawemoputiwod.pdfIn PDF document text
- https://ph2020.org/FCKeditor/file/lutowuzizuvuvisuvazasa.pdfIn PDF document text
- http://josepholszowka.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/lizabelorun.pdfIn PDF document text
- http://buyyoutubesubscribers.com/ci/userfiles/files/30244462452.pdfIn PDF document text
- http://xn--o39a91gvwm83kbsn.net/FileData/ckfinder/files/20210907_8367025E3A926160.pdfIn PDF document text
- https://movie2book.com/userfiles/file/xotajuxe.pdfIn PDF document text
- http://progetec.org/userfiles/files/remomiwesiwiweguwos.pdfIn PDF document text
- http://www.peretprod.ro/content-images/file/sebujovagawewubezebega.pdfIn PDF document text
- http://nakamurasangyou.jp/app/webroot/uploads/files/99274824437.pdfIn PDF document text
- https://totalmediasolutions.ae/ckfinder/userfiles/files/16704861269.pdfIn PDF document text
- http://bjhtdszdh.com/v15/Upload/file/202191367518264.pdfIn PDF document text
- https://jnvhardoi.org/ckfinder/userfiles/files/47311603263.pdfIn PDF document text
- http://srtcivilnorth.com/ckeditor_file/files/kuwililuxawutuwisojo.pdfIn PDF document text
- http://araonline.hu/uploads/file/13879585797.pdfIn PDF document text
- http://web-news.eu/www/pkpar/userfiles/file/lusis.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_off0000ea36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA36 | 17872 bytes |
SHA-256: 9658bbec456fdb1545745acdc4b8f1d7432c5dfb3bc80fd5b0ae1b55796c345e |
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font_01_sfnt_off00011884.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11884 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001309b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1309B | 10756 bytes |
SHA-256: 41bb3a65712b4c66ed4e4822034d2165190d76ecc315eced9682c611d34042b3 |
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