Malicious PDF — malware analysis report

Static analysis result for SHA-256 e766d10e0daeafa5…

MALICIOUS

PDF

47.1 KB Created: 2020-08-07 12:40:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b23085f2158eb54d48cd64810bff7b74 SHA-1: 5600d2cc4c3d1a45ac742cfabaebba512b50291b SHA-256: e766d10e0daeafa5e79caf5a37b804799536f6e62e3f4542930f818c5d7dd816
150 Risk Score

Malware Insights

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

The PDF contains a link farm and a critical redirector link pointing to `https://ttraff.cc/pify?keyword=gta+san+andreas+cheat+codes+ps2+download+pdf`. This indicates a social engineering lure, likely to trick users into downloading malware or visiting a phishing site. The ML classifier also strongly flagged this PDF as malicious.

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.
  • 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=gta+san+andreas+cheat+codes+ps2+download+pdf
    • http://files.allsaintsbridgeport.com/uploads/1/3/1/4/131437515/a2c55c6ba.pdf
    • http://files.bellafurworks.com/uploads/1/3/1/8/131856381/duguvat.pdf
    • http://files.arielakader.com/uploads/1/3/0/7/130775537/13fb77ba88cd7.pdf
    • http://files.zuriscollections.com/uploads/1/3/1/4/131483147/37ed26e355.pdf
    • https://cdn.shopify.com/s/files/1/0432/9019/8180/files/xijezejozozijedolutis.pdf
    • https://cdn.shopify.com/s/files/1/0433/4141/4552/files/bobukefuv.pdf
    • https://cdn.shopify.com/s/files/1/0437/0061/7381/files/popewivinoxirelog.pdf
    • https://cdn.shopify.com/s/files/1/0436/3531/0745/files/60967206534.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kijajakunij.pdf
    • https://cdn.shopify.com/s/files/1/0432/1270/1860/files/72663670822.pdf
    • https://cdn.shopify.com/s/files/1/0440/6083/6005/files/genetic_diseases_book.pdf
    • https://cdn.shopify.com/s/files/1/0433/3525/4171/files/42914471090.pdf
    • https://cdn.shopify.com/s/files/1/0435/1059/5748/files/sizedire.pdf
    • https://cdn.shopify.com/s/files/1/0433/3341/9160/files/11758596472.pdf
    • https://cdn.shopify.com/s/files/1/0436/2564/4192/files/jaguginu.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_off00006caa.bin
adde87c202dad5fc8fd3ef3ccb894207728e83b79d13a560453c5360911024fa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6CAA 5240 bytes
font_01_sfnt_off00007e88.bin
06a23e3dedf89aae9199b4203541923da2812b2778c3eb866ac8af4f5a1836bc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7E88 10020 bytes
font_02_sfnt_off0000a0c3.bin
05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA0C3 4324 bytes

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