Malicious PDF — malware analysis report

Static analysis result for SHA-256 801c1308f45ba870…

MALICIOUS

PDF

76.3 KB Created: 2021-01-25 09:42:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 05188cb0f1271816b584eb7bb6664084 SHA-1: 9b1c1a9c757e5625a398661fcc09bffab457d868 SHA-256: 801c1308f45ba8702d07c1f244571a27780d6707a3c34ecb802fba57c570f32b
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URI pointing to a suspicious domain, identified by heuristics and a machine learning classifier as malicious. The document body, though heavily obfuscated, suggests a lure related to religious texts, likely to trick users into visiting the malicious URL. The presence of multiple unknown URLs further supports a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://druttle.ru/123?utm_term=the+bible+on+abortion+kjv PDF link annotation
    • http://gsmall.space/11058248289zdiq7.pdfIn PDF document text
    • http://legendnat.space/linasopitu3rkwe.pdfIn PDF document text
    • http://cmbmarketing.agency/sigumepobivuxufuzerdzdq.pdfIn PDF document text
    • http://arenda-comp.space/mezovutijibaro1b2fu.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4419423/normal_5fe4e16189c1d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4417429/normal_5fc69f807802f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4379855/normal_5ff45495df080.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4453337/normal_6002b4526cb7e.pdfIn PDF document text
    • http://my-favshopd.online/try_it_free_generation_geniusdkgcx.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/jenisozazewubo/mopip.pdfIn PDF document text
    • https://s3.amazonaws.com/xojafemori/challan_format_under_gst_act.pdfIn PDF document text
    • https://s3.amazonaws.com/xasovewipeje/firmware_archer_c60_v2._0.pdfIn PDF document text
    • https://s3.amazonaws.com/tikofaketonub/16938091147.pdfIn PDF document text
    • https://s3.amazonaws.com/jupoti/96806302717.pdfIn PDF document text
    • https://s3.amazonaws.com/mujesogi/c_g_sheet_metal_installment_inc.pdfIn PDF document text
    • https://s3.amazonaws.com/wovisak/adobe_reader_exe_free.pdfIn PDF document text
    • https://s3.amazonaws.com/fajeloninesitel/backhoe_loader_jcb_3cx.pdfIn PDF document text
    • https://s3.amazonaws.com/pigolo/nature_beauty_picture.pdfIn PDF document text
    • https://s3.amazonaws.com/lowuwofuxali/kick_eez_recoil_pad_template.pdfIn PDF document text
    • https://s3.amazonaws.com/gotenukevepunin/bear_den_leader_guide_2017.pdfIn PDF document text
    • https://s3.amazonaws.com/rimejiguvif/72946045139.pdfIn PDF document text
    • https://s3.amazonaws.com/megodipewukitoj/mafavujin.pdfIn PDF document text
    • https://s3.amazonaws.com/nosepevozux/nojuvasiwajogobojafopi.pdfIn PDF document text
    • https://s3.amazonaws.com/metubevozisul/69177150643.pdfIn PDF document text
    • https://s3.amazonaws.com/zukogi/battlefield_1942_steam.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ed85.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED85 4884 bytes
SHA-256: 4ba1620183e3995e33381154c1e80695a3d8d7906d465cdf883701ebc85df8a6
font_01_sfnt_off0000fe24.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFE24 10928 bytes
SHA-256: 224d70948b7d4babdb83751f2a10ab95112dde136c6c0d7c80125ef959e5ee8a

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