Malicious PDF — malware analysis report

Static analysis result for SHA-256 9dee108a315f54f3…

MALICIOUS

PDF

67.3 KB Created: 2020-12-31 05:31:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-07
MD5: ebf5db1a1bbd4349bdcbbdc1c65e3187 SHA-1: b7d5456149582d5f24144fa1c64b7d36593eddb1 SHA-256: 9dee108a315f54f3f00c6343662e3a8e6a9faa7a81f33bbb0f24c79b5ab4701d
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URI pointing to a suspicious domain, which is likely part of a phishing or malware distribution scheme. The ClamAV detection and ML classifier strongly indicate malicious intent, classifying it as a phishing trojan. The document body, though heavily obfuscated, appears to reference a manual, aligning with a social engineering lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://traffset.ru/123?utm_term=motorola+cp185+manual PDF link annotation
    • https://cdn.sqhk.co/lewulula/gcFKjdN/live_scores_and_odds.pdfIn PDF document text
    • https://cdn.sqhk.co/pibegufuxova/gjbUgfD/best_peach_ice_cream_recipe_without_eggs.pdfIn PDF document text
    • https://cdn.sqhk.co/dalubevemex/cjgjeva/vikings_schedule_today.pdfIn PDF document text
    • https://cdn.sqhk.co/seponidozit/4jcUggl/58597741105.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/fasudikek/vsco_x_apk_full_unlocked.pdfIn PDF document text
    • https://s3.amazonaws.com/nitidadufetenu/tollywood_movie_s_free_sites.pdfIn PDF document text
    • https://s3.amazonaws.com/zonebon/lidomuwirekireba.pdfIn PDF document text
    • https://s3.amazonaws.com/takeju/80024052287.pdfIn PDF document text
    • https://s3.amazonaws.com/zopenave/barney_songs_i_love_you_free.pdfIn PDF document text
    • https://s3.amazonaws.com/geraromu/xalojaxokafane.pdfIn PDF document text
    • https://s3.amazonaws.com/vixuwogetiv/fumupowizudikeleguvu.pdfIn PDF document text
    • https://s3.amazonaws.com/jemazejodep/99223218477.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_off0000ba28.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBA28 5340 bytes
SHA-256: 9e69a0db20d2a7d7180307605ecbf8cc849a04d3c2c1abc793d050d4a837e53b
font_01_sfnt_off0000cc75.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCC75 5276 bytes
SHA-256: 4904eefc73d092c7e9bf79707b2c2a18a66f501186a2f4408964711563e4dc58
font_02_sfnt_off0000de5d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE5D 9952 bytes
SHA-256: c1fd1f964ac342d637e937a2922ebd2b9a65980b8fe72a3a817c7b49668a3dd9

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