MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded URLs, with at least one identified as a malicious redirector. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' and 'ML_NYX_PDF_MALICIOUS' strongly indicate malicious intent. The document body, though heavily obfuscated, suggests a lure related to writing a novel, which is likely a pretext to drive users to malicious sites for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 5
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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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://yafferge.ru/strik?utm_term=how+to+write+a+novel+step+by+step In PDF document text
- http://copyrighthelp.info/alto_s_adventure_piano_sheet_musicgjxlw.pdfIn PDF document text
- http://vazitafolozif.22web.org/45993798638.pdfIn PDF document text
- https://sasofisapen.weebly.com/uploads/1/3/4/5/134590640/537b76cb7dc98d1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375908/normal_602a01c939fe9.pdfIn PDF document text
- http://xanusojuruxu.sportsontheweb.net/figure_drawing_book.pdfIn PDF document text
- http://zegererevez.medianewsonline.com/dungeons_and_dragons_dice_mould.pdfIn PDF document text
- https://fajesafopumusid.weebly.com/uploads/1/3/1/8/131871419/xanuv.pdfIn PDF document text
- https://nidiladidubupa.weebly.com/uploads/1/3/4/7/134753920/9117703.pdfIn PDF document text
- http://notdull-eng.online/pawedarewutajcgy2g.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4443595/normal_5ffb147d431a9.pdfIn PDF document text
- http://doucheop.xyz/down_the_rabbit_hole_walkthrough_castlebq2v3.pdfIn PDF document text
- http://umkatrade.ru/56030540463zuln8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421036/normal_602e3d6591087.pdfIn PDF document text
- https://wazaxilam.weebly.com/uploads/1/3/4/7/134726650/kutegabazib.pdfIn PDF document text
- http://bodaweziwov.mypressonline.com/85953282343.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4457005/normal_5fcbbb4df3cf4.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/e37398c0-46f2-4367-a587-4fe5a2f6ca97/gixenewibupuximod.pdfIn PDF document text
- http://xeziredo.epizy.com/leica_geo_office_user_guide.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5ba54dd8-450a-425e-a5d6-617aaaa7645c/tuninutedawalosugin.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9c3fd79c-b34d-4c61-8157-bd10f0180e63/better_than_before_books_quotes.pdfIn PDF document text
- http://bapibalapu.rf.gd/alter_ego_5_french.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://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001121b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1121B | 5168 bytes |
SHA-256: 63e217f010dbf5e397ff16f6f73aaf22dac5bb7d9b1d8c75967065230ef0a080 |
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font_01_sfnt_off000123ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123CA | 1800 bytes |
SHA-256: 8347046c4e129bc95bc0810e750dbeeef13dfe3e5f1a3553373f678b31a05277 |
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font_02_sfnt_off00012cab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CAB | 11364 bytes |
SHA-256: eaa68f22c48685a338ec5ebd093f1093651b1f905586e16ce192d95dee32a2a8 |
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font_03_sfnt_off0001537c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1537C | 16036 bytes |
SHA-256: 354dce64f07f3d7acdf6a04edf763950ffbfec4edcbb4bfe17b65a83544077bb |
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