Malicious PDF — malware analysis report

Static analysis result for SHA-256 28b9b06655e6c575…

MALICIOUS

PDF

44.0 KB Created: 2020-08-17 01:45:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4f2bd3dabf2b7a145e657ff5ac0fdc9b SHA-1: 8ca01a6776ad84b4bece6d053c1b171a4c4670b8 SHA-256: 28b9b06655e6c575c1c5f8a3e4b13e1a995de20229bdc6a8cc8a40d6540cc5f1
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, many of which point to a redirector service known to host malicious content. The document body and embedded links suggest a lure related to 'Android root software for windows 10', intended to trick users into clicking through to malicious sites. The primary malicious IOC is the ttraff.cc redirector.

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.
  • 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.
  • 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.cc/pify?keyword=android+root+software+for+windows+10
    • http://pedog.holo-visions.com/uploads/1/3/1/3/131379594/nirozi.pdf
    • http://files.thrilltheworldaustraliamelb.com/uploads/1/3/1/8/131856276/xakowajuluxutomeve.pdf
    • http://files.maxperformancefitness.com/uploads/1/3/1/0/131070527/komokimil.pdf
    • http://jibepon.kcbakes.com/uploads/1/3/1/3/131384169/xumomilizevemew-kabopudonod-razaferawupadi-buvonamifu.pdf
    • http://files.ranchochamber.org/uploads/1/3/2/6/132680890/a1bb11.pdf
    • https://cdn.shopify.com/s/files/1/0428/2066/5510/files/meiosis_matching_worksheet_answers.pdf
    • https://cdn.shopify.com/s/files/1/0440/6899/5237/files/twitter_photo_firefox.pdf
    • https://cdn.shopify.com/s/files/1/0428/3305/1814/files/30749612847.pdf
    • https://cdn.shopify.com/s/files/1/0432/9324/5590/files/30871575449.pdf
    • https://cdn.shopify.com/s/files/1/0436/3816/1561/files/mapa_metro_roma_2020.pdf
    • https://cdn.shopify.com/s/files/1/0429/4891/9450/files/mawegipegogimesowu.pdf
    • https://cdn.shopify.com/s/files/1/0431/5345/7320/files/14042860988.pdf
    • https://cdn.shopify.com/s/files/1/0429/0553/4620/files/72506655399.pdf
    • https://cdn.shopify.com/s/files/1/0435/1442/9608/files/bisakamubolumerurawi.pdf
    • https://cdn.shopify.com/s/files/1/0429/8702/8641/files/35644017002.pdf
    • https://cdn.shopify.com/s/files/1/0448/9006/3003/files/osrs_crafting_calculator.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/

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000060e0.bin
3581cfc5ee99b9cf5da46377a6e2c4341d738d9e55072fbc61a8d13f76fe3a18
pdf-font-stream PDF embedded font (sfnt) at offset 0x60E0 4932 bytes
font_01_sfnt_off000071bf.bin
1a30df585a12230944ad95ba9fc1a13226f86a3deb025dd402b2ce0bd213d718
pdf-font-stream PDF embedded font (sfnt) at offset 0x71BF 10196 bytes
font_02_sfnt_off000094c3.bin
d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378
pdf-font-stream PDF embedded font (sfnt) at offset 0x94C3 4324 bytes