Malicious PDF — malware analysis report

Static analysis result for SHA-256 75eb88bd6e060f24…

MALICIOUS

PDF

93.5 KB Created: 2021-04-04 06:30:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 0baaad5944146c0a17fb53e4424ed114 SHA-1: c1ed018b6a33f3e08225293637b07f1d07f7e8fc SHA-256: 75eb88bd6e060f24b0814d4ff366172216d3b308d837176511cf2192b798a20b
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

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://nipisod.ru/strik?utm_term=sap+purchasing+outline+agreement+table PDF link annotation
    • https://cdn.sqhk.co/dijadive/hhghVek/veziga.pdfIn PDF document text
    • https://cdn.sqhk.co/vukupamita/Nbhjict/43772231988.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4372967/normal_603cbffb6a4d4.pdfIn PDF document text
    • https://cdn.sqhk.co/wowobavukelo/djheCVr/power_amazing_frog_spider_rope_fighting.pdfIn PDF document text
    • https://cdn.sqhk.co/jeforije/jgjVD5a/duwiluvezukuriwamepol.pdfIn PDF document text
    • https://cdn.sqhk.co/jawosuzexe/rhhS6MQ/fawogiranudu.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4459319/normal_5ffd1e6c0dacc.pdfIn PDF document text
    • https://cdn.sqhk.co/kuwusemob/D8ifij3/27208998277.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4376629/normal_5fcf85b4c326f.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/af71e273-e85b-4f24-84eb-8cc92e2b2098/aprender_ingles_en_linea_gratis_sep.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/23d70936-57ef-4bf1-bf49-4f0bc3b57da4/fefekodenagogajume.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9d76ff78-1504-495c-80b9-e485a4a566d7/hounds_of_baskerville_movie_download.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/833d3b26-3002-46ff-8776-f1e3898a95b1/27332966848.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0ff36f78-5c26-409f-aa04-0f1d85890360/gupekusexetizidoxipofaru.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6f4195a7-b828-4234-aeb9-16c1cda790e9/keranemufegow.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6e525061-1a88-4035-b78e-dd748fdff724/is_there_a_directv_app_for_vizio_smart_tv.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7e4b9c03-2de0-4f5d-a5a1-1e4e70f2666a/mujivez.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1f6685c1-0fe0-4918-8f0e-baf94eed26a5/71923181631.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4d42724a-01c3-492d-8422-e9b677583c80/text_structure_worksheet_9.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/45426af7-7709-45d5-bb90-9cc57596d516/how_to_calculate_half_life_geology.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/47650043-d1b0-4d24-8937-1af1d204f51f/1695440058.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3a3c6d3d-0202-4b08-a9b6-037d133746f9/fibeled.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00011ac1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11AC1 5592 bytes
SHA-256: 1258b51cc906c27c853c9dd7106cd4358b9fb297315acacffac6c277109b5eb9
font_01_sfnt_off00012d93.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12D93 10764 bytes
SHA-256: 3c3768be63f7920259b427da383578c3e71e9b027c347f084da6194d2acf7c9c
font_02_sfnt_off0001526f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1526F 16204 bytes
SHA-256: 541fa2b6826b0add99b7d5a173ef1e6a5567607b5192f75b810eb17d6a563501

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