Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe695db1d09ef4ea…

MALICIOUS

PDF

75.5 KB Created: 2021-03-04 04:12:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: b08fa1b9a4a369bd6e03f2deef710629 SHA-1: 719fe8e16c8fc68744d7e8ae1b650e1f9a793bc5 SHA-256: fe695db1d09ef4ea661d75e0e7f35674235a908fef26b0d6bc1e9c84fc1a5d2d
96 Risk Score

Malware Insights

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

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URL leading to a suspicious domain, likely intended to host a malicious payload or phishing page. The document body, though heavily obfuscated, suggests a lure related to a 'food plan'.

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://resalured.ru/strik?utm_term=grey+sheet+food+plan PDF link annotation
    • https://cdn.sqhk.co/wimiwupo/jxfyMl2/donkey_kong_arcade_game_free.pdfIn PDF document text
    • http://jushq.club/mefikajururetaxajofazupufyafi3.pdfIn PDF document text
    • http://tusiteguluvora.getenjoyment.net/81283621007.pdfIn PDF document text
    • http://giwapozolaleg.mypressonline.com/woluduzajapuraxunanuzi.pdfIn PDF document text
    • https://cdn.sqhk.co/gowexenopa/6DQhdPH/50531918766.pdfIn PDF document text
    • https://cdn.sqhk.co/loxinesupiva/cWifijV/49600157862.pdfIn PDF document text
    • https://cdn.sqhk.co/toledexipez/gcbjd6U/zekisepadajivife.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://feriluja.epizy.com/landscape_design_ideas_for_side_of_house.pdfIn PDF document text
    • https://s3.amazonaws.com/lovomijelun/painting_with_a_twist_bandera_rd_san_antonio_tx.pdfIn PDF document text
    • http://gigogapa.epizy.com/raja_kali_amman_songs_masstamilan.pdfIn PDF document text
    • https://s3.amazonaws.com/rufonali/nexukuf.pdfIn PDF document text
    • https://s3.amazonaws.com/fipijife/16025069230.pdfIn PDF document text
    • http://pojozija.onlinewebshop.net/how_many_atoms_of_hydrogen_are_found_in_2nh3.pdfIn PDF document text
    • https://s3.amazonaws.com/dikobepibelun/96926608377.pdfIn PDF document text
    • https://s3.amazonaws.com/luworizesupox/43870201716.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_off0000de00.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE00 5004 bytes
SHA-256: e8be4287cd8ee4b64731d107b538ea1b7ce32fbe69724fce66ca67272d69d61a
font_01_sfnt_off0000ef0a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF0A 10672 bytes
SHA-256: 2b69f4b31558b68c9fd0952a34faf14ea98b3372e5d93cd9d17bb58ff141b0bb
font_02_sfnt_off00011379.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11379 4324 bytes
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333

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