Malicious PDF — malware analysis report

Static analysis result for SHA-256 3245046f2314290f…

MALICIOUS

PDF

45.1 KB Created: 2020-08-07 15:24:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 529d89585deadcef0da76d5096327713 SHA-1: aa9850f27694bf4191b368c9ac9fcf622a3100e0 SHA-256: 3245046f2314290f34ffc6bd8a5806206a7c052c3d656d56dd58fe894a1d5678
120 Risk Score

Malware Insights

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

The PDF contains a mass of external links, including a critical redirector link to ttraff.com. This indicates a link farm or redirection tactic to obscure the final malicious destination. The document body, though heavily obfuscated, contains the primary malicious URL, suggesting the intent is to lure the user to this external resource. No scripts were extracted from this sample.

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.com/pify?keyword=access+consciousness+bars+pdf
    • http://files.voxelquest.com/uploads/1/3/1/4/131453365/zotokes-dutetetajezuw.pdf
    • http://risaka.mamablues.org/uploads/1/3/1/1/131164239/vagojusi.pdf
    • http://kiwabo.lisadonaldson.com.au/uploads/1/3/1/4/131438641/d4faac8bfa0fbd1.pdf
    • https://cdn.shopify.com/s/files/1/0433/7106/9594/files/84418360333.pdf
    • https://cdn.shopify.com/s/files/1/0434/0331/3315/files/49675822102.pdf
    • https://cdn.shopify.com/s/files/1/0435/1619/9064/files/wafalapafitotavuvepepem.pdf
    • https://cdn.shopify.com/s/files/1/0428/5369/5644/files/70971012614.pdf
    • https://cdn.shopify.com/s/files/1/0432/8987/0491/files/15165092161.pdf
    • https://cdn.shopify.com/s/files/1/0430/0180/7007/files/30666903021.pdf
    • https://cdn.shopify.com/s/files/1/0438/7792/5019/files/64303455113.pdf
    • https://cdn.shopify.com/s/files/1/0428/1368/5927/files/29120636918.pdf
    • https://cdn.shopify.com/s/files/1/0440/6788/1125/files/2702885473.pdf
    • https://cdn.shopify.com/s/files/1/0434/6337/7048/files/noxarabamag.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000072b0.bin
b2bbf8cc684704c850050ae579f4b72ccde7b541111cc0fae1ce28abd31a4e4a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72B0 5248 bytes
font_01_sfnt_off00008496.bin
6b6c63f9e5e1d22f28a494c9bbf1a7bedc69688b31cc450cab5b66c70fc725e9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8496 10332 bytes

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