Malicious PDF — malware analysis report

Static analysis result for SHA-256 0f0733063fca9946…

MALICIOUS

PDF

50.4 KB Created: 2020-09-17 09:09:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8196bc2b3ecd2d2d1136cab0daa92c0b SHA-1: 2a06099fe35bd52521e4de1160011fb0f755cd71 SHA-256: 0f0733063fca9946226f813d9894159a7dafdaf4c1b8b68dfb22aec375e86f55
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious Link

The PDF contains a link to a known malicious redirector, suggesting a phishing or scam attempt. The document body and embedded URLs indicate a lure related to 'table tennis touch apk obb', likely to trick users into downloading malware. The presence of numerous external PDF links further supports a link farm or redirection strategy.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://ttraff.link/wix?keyword=table+tennis+touch+apk+obb
    • http://files.edgeofthevillage.org/uploads/1/3/1/6/131606159/8008669b8.pdf
    • http://files.pcmsbulldogs.org/uploads/1/3/0/7/130739621/mowurisesamuvokenaz.pdf
    • http://dipukaf.jillloveslace.com/uploads/1/3/0/8/130813961/609f57a7.pdf
    • http://nomudulod.leespawsandclawsshelter.org/uploads/1/3/1/4/131453170/nokogamawum_loxukazud.pdf
    • http://jugesati.nonreligiousspiritual.com/uploads/1/3/1/3/131380600/3430536.pdf
    • http://neguwat.iphonerepair-inlosangeles.com/uploads/1/3/2/6/132696210/pugiwojifefeb.pdf
    • http://mobuxe.geo4u.net/uploads/1/3/1/3/131383548/tupuwu.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://cdn.shopify.com/s/files/1/0428/1237/5207/files/99993837775.pdf
    • https://cdn.shopify.com/s/files/1/0437/8581/4177/files/spanish_to_english_dictionary.pdf
    • https://cdn.shopify.com/s/files/1/0483/5278/8633/files/vevovixuwigibasatomiv.pdf
    • https://cdn.shopify.com/s/files/1/0438/3516/2784/files/59665965324.pdf
    • https://cdn.shopify.com/s/files/1/0432/6558/9414/files/48116764600.pdf
    • https://cdn.shopify.com/s/files/1/0462/0058/6398/files/physics_textbooks_for_secondary_schools.pdf
    • https://cdn.shopify.com/s/files/1/0429/2853/7753/files/checkers_2_player.pdf
    • https://cdn.shopify.com/s/files/1/0433/1782/1605/files/94608483139.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
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000629e.bin
f8a0349e16813b1e58d19a85cf7b4f5b29a72a3ba76ad0e25053c007f090838e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x629E 4960 bytes
font_01_sfnt_off00007376.bin
c47cdce6cec8ce9ddb24f3fa85e33aea66645d125dedba68062a729028e757a4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7376 11028 bytes
font_02_sfnt_off00009942.bin
9af6fc3bf9d751f70540aea0fa47faa159a3604992cda23d2adcda3ffc5346b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9942 16092 bytes
font_03_sfnt_off0000ae09.bin
d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAE09 4324 bytes

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