Malicious PDF — malware analysis report

Static analysis result for SHA-256 6070b276f6bcf0dd…

MALICIOUS

PDF

82.6 KB Created: 2021-05-31 10:00:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-25
MD5: 582b22df40bc1832f156cfe1e4b739ce SHA-1: 26959b12419ebaa3d6a2898d99c6abebab4f85ac SHA-256: 6070b276f6bcf0dd0c69db3d4b5a10218093053461b72282d284a5590b69a7d9
96 Risk Score

Malware Insights

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

The file is a PDF document that contains an embedded URL pointing to a suspicious domain. Heuristics indicate the presence of external URIs and a high ML classification score, corroborated by ClamAV detecting it as a phishing trojan. The document body, though heavily obfuscated, appears to be a lure related to religious practices, aiming to trick the user into visiting the malicious URL.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://xajibur.ru/strik?utm_term=what+happens+if+you+stop+praying+to+la+santa+muerte PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4410030/normal_5fc897062e062.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403673/normal_6060853c298d4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4499984/normal_5fffa6dd1f74c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365626/normal_6037eb3d9213a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4392191/normal_5fe98db8c40b8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4382780/normal_60196df620aa9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4456393/normal_602533b851ca0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366348/normal_5fda3ff07b45d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4479474/normal_5ffdf6d1b220c.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
    • https://uploads.strikinglycdn.com/files/78de4f67-53da-40ef-a5ba-04b0898e2764/the_pleasure_trap_book.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e8d18ecd-bac7-41ca-9d22-c59528b3b364/84710822231.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1051b84d-87e5-4421-abf4-4f5278d92ade/dell_t3500_power_supply_removal.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b394c12d-2f76-46d5-99e3-069f49d3c664/westworld_season_3_episode_6_william_quote.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/03143388-e103-415b-8a8a-f0bed18f16b3/wabilixaxisunoxev.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/67989416-defa-4e6a-9804-280353a24704/23422700596.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7de946c9-c581-4759-ab17-bf288206fd2e/casio_wk-110_midi_driver_mac.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/82e3ceb2-429e-4d11-86ec-17936f100871/how_to_start_a_magic_chef_gas_oven.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d8aaf352-62ba-4093-9237-253c117b5a33/beretta_a300_owners_manual.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_off0000f388.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF388 5312 bytes
SHA-256: 249b548eb541e701cbd0fff941ad73307952b1081ace63589bc86d04b7d9cca8
font_01_sfnt_off0001057f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1057F 11916 bytes
SHA-256: ca588f7803bf7dfbfaecedfd7e3693476e14d80b9a96cf718580a54ea8b9d795
font_02_sfnt_off00012d16.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12D16 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3

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