Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ae212200882dcdc…

MALICIOUS

PDF

72.1 KB Created: 2021-03-02 23:45:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 9a7c545de00369dca2e09eaef2f34e24 SHA-1: a4a7f5495889ce4cb36e7415296b4a0591fbe47f SHA-256: 3ae212200882dcdc7bd1f6ee84a27a7633c678ec92b749b623d61b4d8cb8529c
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://bologen.ru/award?keyword=tom+sawyer+1930+full+movie PDF link annotation
    • http://forexgeeks.net/74712814797puhwh.pdfIn PDF document text
    • http://pubggaming.online/aniseed_balls_nutritional_information7yets.pdfIn PDF document text
    • http://prizinsta365.online/3ds_error_code_003_1099v6x8d.pdfIn PDF document text
    • https://cdn.sqhk.co/tefulobesa/hh2y3Tq/pretty_brave_xo_trainer_blush.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4453337/normal_60334ea55d383.pdfIn PDF document text
    • https://cdn.sqhk.co/gizoxemovefi/IiiwijA/75476001181.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://s3.amazonaws.com/nezanurugega/lomovikaridifopozirewa.pdfIn PDF document text
    • https://s3.amazonaws.com/jamuluvuvava/56080029534.pdfIn PDF document text
    • https://s3.amazonaws.com/feseni/animal_crossing_pc_flower_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/nonabafat/punuwoseze.pdfIn PDF document text
    • https://s3.amazonaws.com/xukanomarexumu/kawenuzibokixadofu.pdfIn PDF document text
    • https://s3.amazonaws.com/pizexopenaxu/76829661627.pdfIn PDF document text
    • https://s3.amazonaws.com/fojaxexino/51579263453.pdfIn PDF document text
    • https://s3.amazonaws.com/sojebelevenex/how_to_reset_filter_in_samsung_refrigerator.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_off0000cdbe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCDBE 5328 bytes
SHA-256: 2caafe41c9ef9c168d371003a5b1705ff81e635e1a39fd94057b6ba1e38deb82
font_01_sfnt_off0000dff1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDFF1 11068 bytes
SHA-256: a6573508ec7105e59c863462052936743644e4d4a231fafaa002ac1d1955f1ea
font_02_sfnt_off000105b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x105B9 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176

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