Malicious PDF — malware analysis report

Static analysis result for SHA-256 ff176052608d31d6…

MALICIOUS

PDF

69.9 KB Created: 2020-08-21 06:56:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7322f5f3e48bdaf62f047e02ded797f9 SHA-1: a3d03bd40324a9e89cb3a49914b2ab47faaf0e62 SHA-256: ff176052608d31d6b6b4252a28971a050d8b33bd65ac0f7e4588e7e93f7ef7bf
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains numerous embedded links, with a critical heuristic identifying a malicious redirector. The document body, though heavily obfuscated, contains text related to 'Bang bang mp4 video song pagalworld. com', suggesting a lure. The primary malicious IOC is the redirector URL, which is likely used to funnel users to further malicious content.

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=bang+bang+mp4+video+song++pagalworld.+com
    • http://files.angevinempire.org/uploads/1/3/1/8/131860938/zotefojejokib_pejajevibe.pdf
    • http://files.brookcontemporaryart.co.uk/uploads/1/3/1/4/131454065/9b6ca15b5c.pdf
    • https://cdn.shopify.com/s/files/1/0431/2812/7650/files/55570412789.pdf
    • https://cdn.shopify.com/s/files/1/0433/9567/8359/files/67394793953.pdf
    • https://cdn.shopify.com/s/files/1/0428/9275/5111/files/9103767261.pdf
    • https://cdn.shopify.com/s/files/1/0432/5313/7576/files/38197147678.pdf
    • https://cdn.shopify.com/s/files/1/0435/8524/1245/files/zaxuferuj.pdf
    • https://cdn.shopify.com/s/files/1/0427/8904/4383/files/vorobekodatenunobibas.pdf
    • https://cdn.shopify.com/s/files/1/0433/0671/3253/files/xalumenume.pdf
    • https://cdn.shopify.com/s/files/1/0429/2126/3271/files/fanepeforalusimuro.pdf
    • https://cdn.shopify.com/s/files/1/0431/6440/1818/files/87005113729.pdf
    • https://cdn.shopify.com/s/files/1/0438/1815/6192/files/nosomazibajupej.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/65788935473.pdf
    • https://cdn.shopify.com/s/files/1/0433/9649/7573/files/how_to_install_lambda_fortress.pdf
    • https://cdn.shopify.com/s/files/1/0435/4539/5359/files/farmhouse_ale_style_guide.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_off0000b6ff.bin
cc119d71c8af58453c895820d1b3788c940fae237ef4a325049a6d65f7efc191		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB6FF 4020 bytes
font_01_sfnt_off0000c570.bin
9eed4575e3887073ab9560db85130985d825c030ade393fa0fa4fb854abac348		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC570 5856 bytes
font_02_sfnt_off0000d95c.bin
d4300dd3554985ce7786fefd74be7e9581266b97e953f0349417d65f9e854db1		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD95C 15652 bytes

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