PDF malware analysis — malicious · 01baffa7d953403e

MALICIOUS

PDF

79.5 KB Created: 2021-03-20 04:26:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: ace2de41316c5f7c96bb8c458663adbd SHA-1: aeb0fe22f5dd6548564009d86f9392d6e68d5b69 SHA-256: 01baffa7d953403ea955014405477cfecfc3d946fb386047d4991b2f912a5ae7

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URL that directs users to a phishing page disguised as a novel. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the presence of external URIs and the nature of the PDF content suggest it's designed to trick users into navigating to a potentially harmful site.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The 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.
Embedded URL info EMBEDDED_URL

One 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://jacksth.ru/award?keyword=love+marriage+novel+pdf
- http://mjawebdesign.net/city_bus_simulator_craft_product_activation_keyjbsfu.pdf
- https://cdn-cms.f-static.net/uploads/4501989/normal_5fd71d6702677.pdf
- http://ch-redirect.icu/meloxafibefeledj2.pdf
- http://bovibuvebus.getenjoyment.net/sloan_flushmate_recall.pdf
- https://cdn-cms.f-static.net/uploads/4369926/normal_603eed7ecb556.pdf
- http://tikopariwoxa.mygamesonline.org/bafang_48v_750w_bbs02_kit_with_battery.pdf
- http://helpcopyright-service.com/togujefegatetutagozca.pdf
- http://vinnipoh.fun/lifipul8ps.pdf
- http://losopefopamusoz.sportsontheweb.net/75658049274.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://s3.amazonaws.com/posufij/bazugigilawedusajeniwer.pdf
- https://a40b6db0-1679-4e03-879f-ac5827b9aa7d.filesusr.com/ugd/dba42a_c3a71fc2880b44339b3efb12c76237e2.pdf?index=true
- https://d5f1d3db-1598-48d0-a061-764c190a6564.filesusr.com/ugd/866690_f280e0ac22554b4fbbb534a6282aba46.pdf?index=true
- http://jawuwibunoropo.atwebpages.com/caballo_de_troya_4.pdf
- https://587b455d-cc79-4428-8e80-a8b75ce23bca.filesusr.com/ugd/021ec8_b1cd15d160314d4aa1824a9d2b615dc0.pdf?index=true
- https://s3.amazonaws.com/sezebepit/lp_bblsr.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000ed7e.bin` `2126312e569c6abbdebd2f2895972e445c21673272151ec6e78dbb2ca9bb5874`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xED7E	4892 bytes
`font_01_sfnt_off0000fe03.bin` `2e2c1f14d97c4b8ae6c7cc76c7aab6bf5ad7441f731cb6d09e1da7412ff652e7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFE03	10852 bytes
`font_02_sfnt_off000122dd.bin` `b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x122DD	4324 bytes

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