Malicious PDF — malware analysis report

Static analysis result for SHA-256 32f0d6fe00b9a723…

MALICIOUS

PDF

79.0 KB Created: 2021-04-05 20:22:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-08-20
MD5: 0c913ccedde461de8638c0581cc16297 SHA-1: dc7046d85e55350275bc4d7a176abccd4de334da SHA-256: 32f0d6fe00b9a723df9c4e9529c1df51397c9048059391d86cd3caff327d00a1
126 Risk Score

Malware Insights

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

The PDF contains embedded URLs and is flagged by ML classifiers and ClamAV as malicious, specifically as a phishing or trojan delivery mechanism. The document body, though heavily obfuscated, suggests a lure related to religious texts, directing users to a suspicious domain. The presence of numerous external URIs and the link farm heuristic further indicate malicious intent, likely to redirect users to a compromised site or download further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small 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.
  • 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://resalured.ru/award?keyword=the+apostolic+ministry+pdf+rick+joyner PDF link annotation
    • http://pigemugugobur.mygamesonline.org/14683012290.pdfIn PDF document text
    • http://picsonair.com/18425681582j8jc.pdfIn PDF document text
    • http://jovasetiveduza.scienceontheweb.net/87898619467.pdfIn PDF document text
    • http://aslixan.com/best_motion_offense_for_youth_basketballz4wm4.pdfIn PDF document text
    • http://vizubezawuz.iblogger.org/carbohydrates_biochemistry_mcqs.pdfIn PDF document text
    • http://creditstar-kabinet.com/34214618001pfy3c.pdfIn PDF document text
    • http://cloudmarket.website/fubogiwedesaburabamuxassxq8c.pdfIn PDF document text
    • http://gbarb.me/mekaxakizugifavoe81wy.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://8fa10226-37c2-454d-bd65-ced70ecbf0c4.filesusr.com/ugd/c34aa9_c4860bd522d44d92a0da3c5c8ba431ac.pdf?index=trueIn PDF document text
    • http://fowodusozid.epizy.com/beropexesamofap.pdfIn PDF document text
    • https://s3.amazonaws.com/gavexilatuvitaz/zopuwubaku.pdfIn PDF document text
    • http://kifepaba.epizy.com/operaciones_combinadas_con_fracciones_potencias_y_raices_resueltos.pdfIn PDF document text
    • http://tumofif.rf.gd/31408207410.pdfIn PDF document text
    • http://kedokonox.rf.gd/geometry_proofs_similar_triangles.pdfIn PDF document text
    • https://s3.amazonaws.com/sutawowirosuvuv/the_texting_bible_reviews.pdfIn PDF document text
    • https://0a9d52b7-bae8-445b-b6d2-8eba0f02533c.filesusr.com/ugd/729231_6837db726782459189a720eefb6b1baf.pdf?index=trueIn PDF document text
    • http://mutifesojare.epizy.com/situs_lagu_123._net.pdfIn PDF document text
    • https://s3.amazonaws.com/bulalowisu/braeburn_programmable_thermostat_manual_2000_nc.pdfIn PDF document text
    • https://160e4e15-e27a-4ef2-9b26-f67fc0969a86.filesusr.com/ugd/cbdbb6_334e980902d94d48a2ad537fe8651cf0.pdf?index=trueIn PDF document text
    • http://kulebosux.myartsonline.com/45777790180.pdfIn PDF document text
    • http://safasufozoz.rf.gd/5869960109.pdfIn PDF document text
    • https://1a413096-4115-453c-84a6-e19f3d0a1e7a.filesusr.com/ugd/4a2d03_109f45eb5fae43ff836c89427c7d6728.pdf?index=trueIn PDF document text
    • https://b3a1a1c9-4f8f-4fb8-b7cc-7339030cc889.filesusr.com/ugd/162fe6_7f300c89be124b208832b5d08fb87d49.pdf?index=trueIn 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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f2ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF2AD 5584 bytes
SHA-256: 131a748b8f3a18711ff23e71d192ddfe64b539d92fb3b7d364d7fdcb1fb19a9e
font_01_sfnt_off0001058f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1058F 11968 bytes
SHA-256: 45306b3a6b0fb0f5a2d69c7df125fac17995dd418a265d17f8d15141f4be35c3

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