Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d0c429e237fdd82…

MALICIOUS

PDF

74.3 KB Created: 2020-12-21 00:11:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: ba578526f2968f9e2c5e903c91d1ce23 SHA-1: d4bb6c1db3762efe1fac783c3cca8fd55d24d228 SHA-256: 0d0c429e237fdd8299927558651bea375afaa1ab105c3dd4f72e60676f619210
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 0.9990

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://trafftec.ru/strik?utm_term=font+untuk+iphone+ios+14 PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4466135/normal_5fd875a32722d.pdfIn PDF document text
    • http://www.opentle.orgIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://static1.squarespace.com/static/5fdc7a3b0a190b16b315946c/t/5fdc9b7517e3a13a9832be76/1608293237295/lagu_everglow_bon_bon_chocolat_ilkpop.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fdcb81cb919dd0c3e451148/t/5fdd0bbb1f72e97a2b46174f/1608321979603/duvuwulupijavekipi.pdfIn PDF document text
    • https://s3.amazonaws.com/legobegutulo/rarokox.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc569f58139af037663613e/t/5fd11cabcfe9e70e835621b9/1607539885544/police_pursuit_policy_2017.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbcfa966a371610b87744b2/1606220439335/35981633574.pdfIn PDF document text
    • https://s3.amazonaws.com/vufuzewasi/amended_tax_return_form.pdfIn PDF document text
    • https://s3.amazonaws.com/fadadedezeker/art_photo_editor_apk.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b23403cf-0bbd-4f92-8f40-d26a80c4aaa1/tennant_biomodulator_price.pdfIn PDF document text
    • https://s3.amazonaws.com/limepusotanal/boxing_gloves_size_guide_oz.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://www.gnu.org/licenses/gpl.htmlIn 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

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000c698.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0xC698 10068 bytes
SHA-256: 4452bbf808c8348f293ce404bde30d826b4b93bd520ec47ac527778d3b9b6f09
font_00_sfnt_off0000b67b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB67B 4728 bytes
SHA-256: a0befaf2c660fda350a24aa7cfa467a3f033f91e2003d07b521b16c8d75ec5b6
font_02_sfnt_off0000e2e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE2E2 10336 bytes
SHA-256: fa07d51202ef111a7c3c8ddbfcedcaaac31e33483bfe5ac01fc3d72a97d9b603
font_03_sfnt_off00010679.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10679 16396 bytes
SHA-256: b59fbf4de48dd8aa3d96adf847c97080a63991bb53c972061d95bb3759270fd7

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