Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d69dc0d62306426…

MALICIOUS

PDF

77.9 KB Created: 2021-03-31 00:46:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-30
MD5: e54c93463cea4ca9ffc73b2b47be7d60 SHA-1: 5bbd5b80416755bb4d2e1f034da8803240c8bea9 SHA-256: 7d69dc0d6230642611d957367052954d3123705038f9306d8368cd092220ef9e
96 Risk Score

Malware Insights

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

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an external URI pointing to a suspicious domain, likely used to deliver a payload or redirect to a phishing site. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it's designed to exploit users through social engineering, potentially leading to further compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9989

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://jottigo.ru/award?keyword=hindu+calendar+2020+pdf+gujarati PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4495854/normal_603001ff39d17.pdfIn PDF document text
    • https://cdn.sqhk.co/fexejikexew/hcr9dih/zapuwaxidatuwodewa.pdfIn PDF document text
    • https://cdn.sqhk.co/goberirud/r8jejdk/20386304341.pdfIn PDF document text
    • https://cdn.sqhk.co/pimabosi/fCGKrij/rarazelezazatupefogazal.pdfIn PDF document text
    • https://cdn.sqhk.co/vavewiminiv/0jikifT/soccer_ball_keychain_3d_print.pdfIn PDF document text
    • https://cdn.sqhk.co/vovidonob/caTibhg/usg_sheetrock_all_purpose_joint_compound_sds.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4488810/normal_605019c2e3dcd.pdfIn PDF document text
    • https://cdn.sqhk.co/kululojilo/bgdidpx/kuwanu.pdfIn PDF document text
    • https://cdn.sqhk.co/kebabefepu/jeQ9jh3/asset_management_policy_template_iso_27001.pdfIn PDF document text
    • https://cdn.sqhk.co/molivovuki/hhhYPgj/negomesikuwiledutirowu.pdfIn PDF document text
    • https://cdn.sqhk.co/bofogarabu/ibiat2D/cbre_industrial_report_2018.pdfIn PDF document text
    • https://cdn.sqhk.co/kusasuzona/aXfjev2/fozujuvilogagufexul.pdfIn PDF document text
    • https://cdn.sqhk.co/badalozebale/Aghichb/gamabegigekizupotumuvojo.pdfIn PDF document text
    • https://cdn.sqhk.co/wemupaxuziv/RNCq9P7/durapebaledirojiwojojogel.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4453754/normal_60226a9886650.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • http://nezezijafarirer.epizy.com/51355519730.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/366a89e5-970f-4857-a70d-be48d5125c71/43462237888.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/63c30508-97da-4f83-a781-70162c26d413/are_dewalt_brushless_drills_any_good.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/060716f3-09ae-4026-9b9c-8000fea714ac/88237692560.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f7eca0b3-7f7d-44b6-a210-132c2adbb089/39711783715.pdfIn PDF document text
    • http://bilavefopu.rf.gd/toledikuvowojibevamiwuto.pdfIn PDF document text
    • http://fexajorijoworas.epizy.com/bhojpuri_recording_dance_dj_video_song.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ae3601fe-ad93-43b3-affe-402c1b020ddc/francis_bacon_new_organon.pdfIn PDF document text
    • http://fefetariweboxed.rf.gd/92116754025.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e4a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE4A7 5228 bytes
SHA-256: dea694916fa5267bb01744bd0fff491615655ee216265fe3d7990c81a05ba475
font_01_sfnt_off0000f678.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF678 10456 bytes
SHA-256: add986d7283d6bbb86ae7e883c70b7ea222d8c594242432e659d3c74d2e76805
font_02_sfnt_off00011a2a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11A2A 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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