Malicious PDF — malware analysis report

Static analysis result for SHA-256 1fc17430c678e6be…

MALICIOUS

PDF

43.5 KB Created: 2020-08-02 14:26:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 918f3035a367f51d1c0d193d0de4fd4c SHA-1: 25d0c14a0cd935d6000cf79eec44e1a4e3e1d442 SHA-256: 1fc17430c678e6be124972a4ee684abb07e2d90c32ae7e2f73485a43b5081fa8
120 Risk Score

Malware Insights

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

The PDF contains a significant number of embedded links, with one heuristic identifying it as a PDF link farm. The primary malicious URL, 'https://ttraff.cc/pify?keyword=halo+mod+minecraft', is flagged as a known malicious redirector. While no scripts were extracted, the sheer volume of links and the presence of a malicious redirector suggest an attempt to lure users to malicious content, potentially for phishing or malware distribution.

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=halo+mod+minecraft
    • http://files.mailliesemp.com/uploads/1/3/1/4/131407005/wuteror.pdf
    • http://files.pinklittleflowershop.com/uploads/1/3/0/7/130740127/foguwiwazerop.pdf
    • http://files.emilystillings.com/uploads/1/3/1/8/131871633/puzidekoduxusiselim.pdf
    • https://cdn.shopify.com/s/files/1/0436/9360/5014/files/42487566958.pdf
    • https://cdn.shopify.com/s/files/1/0433/1054/7099/files/gezetegoguneki.pdf
    • https://cdn.shopify.com/s/files/1/0432/5667/6507/files/jebogupiwir.pdf
    • https://cdn.shopify.com/s/files/1/0431/6191/1458/files/photoshop_tutorial.pdf
    • https://cdn.shopify.com/s/files/1/0430/9667/0365/files/33540208263.pdf
    • https://cdn.shopify.com/s/files/1/0429/2254/1209/files/mumufomogigu.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/laxefasigapabaxirasu.pdf
    • https://cdn.shopify.com/s/files/1/0432/6460/6372/files/72239277120.pdf
    • https://cdn.shopify.com/s/files/1/0432/3796/5979/files/ziluvebuli.pdf
    • https://cdn.shopify.com/s/files/1/0438/3725/9938/files/36288154580.pdf
    • https://cdn.shopify.com/s/files/1/0429/5727/5299/files/tamexavajafevafolofikibu.pdf
    • https://cdn.shopify.com/s/files/1/0436/6319/6310/files/74276972134.pdf
    • https://cdn.shopify.com/s/files/1/0429/5966/7363/files/japanese_drama_online.pdf
    • https://cdn.shopify.com/s/files/1/0428/9832/5663/files/60671537795.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_off00005fd8.bin
610df20aca23882040edac98c2d23f236f28c05f03acb66449e9cc62243fb59c
pdf-font-stream PDF embedded font (sfnt) at offset 0x5FD8 4736 bytes
font_01_sfnt_off00006fcc.bin
104527c3cdd1e547cf816f8ec4f9104dd46e4764f8bf1e94443ffad82e74c78f
pdf-font-stream PDF embedded font (sfnt) at offset 0x6FCC 10420 bytes
font_02_sfnt_off0000935a.bin
7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71
pdf-font-stream PDF embedded font (sfnt) at offset 0x935A 4324 bytes