Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ed00c9054918852…

MALICIOUS

PDF

43.6 KB Created: 2020-11-02 09:29:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 997cd2a90d1660fd1f4f5c1108fb7c1b SHA-1: d497a6f67fc3c732707d197e9bc4610fb1183813 SHA-256: 2ed00c9054918852fdcede067c09a4da4a0bc19a85afeb1b0b1ddc2fb837ca73
94 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by an ML classifier and contains a link to known malicious redirector infrastructure. The embedded URL, https://gettraff.ru/123?keyword=meet+the+letter+sounds, is the primary indicator of malicious intent, likely serving as a lure to a phishing or malware distribution site. No scripts were extracted, but the presence of a malicious URL within the document body strongly suggests a phishing or social engineering attack.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://gettraff.ru/123?keyword=meet+the+letter+sounds
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/bokexizometun/pebenedikajovi.pdf
    • https://s3.amazonaws.com/megelugik/tumofafizajusozosogugax.pdf
    • https://s3.amazonaws.com/xisefowu/free_robux_no_human_verification_or_survey_2019_real.pdf
    • https://s3.amazonaws.com/gujutavevive/weather_and_tornadoes_mod_1.7_10_skydaz.pdf
    • https://s3.amazonaws.com/wejalixex/examples_of_static_and_dynamic_characters.pdf
    • https://s3.amazonaws.com/ruzumeb/fe_gui_op.pdf
    • https://s3.amazonaws.com/tizowodifi/solid_converter_v9._2_full_crack.pdf
    • https://s3.amazonaws.com/minaxigevani/ghost_shrimp_breeding_setup.pdf
    • https://s3.amazonaws.com/zetare/65071939142.pdf
    • https://s3.amazonaws.com/jepavilutabilel/mass_media_law_19th_edition_download_free.pdf
    • https://s3.amazonaws.com/remoxi/nugotil.pdf
    • https://s3.amazonaws.com/vikukinumet/vawagofukifudur.pdf
    • https://s3.amazonaws.com/felasorarabipis/48890100384.pdf
    • https://s3.amazonaws.com/zemigiduwagafu/nagilalon.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006f49.bin
f37d796842400b10dbe67cd68b2844a070cc1aa637c25e342580eb5d3f61b8d9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F49 4708 bytes
font_01_sfnt_off00007f48.bin
102919a324c0aaaffa13144f6b7ce4aeb51864dbb781b5ec5ebb867a3fbe79a9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F48 10248 bytes

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