Malicious PDF — malware analysis report

Static analysis result for SHA-256 a452882cda972e05…

MALICIOUS

PDF

55.6 KB Created: 2020-08-02 00:43:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5e2fc9b9e169514fc6d0039d4405d4ce SHA-1: 886c19e0476e32e662979734cbfa388d1e8611b3 SHA-256: a452882cda972e05119b48b6edb0a92cc3e8e396e50930b9a22d971b9c99c446
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains this URL and other Shopify URLs, suggesting a lure to download further content. The presence of a link farm heuristic further supports the malicious intent of directing users to external resources.

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=elements+of+electromagnetics+5th+edition+pdf
    • http://files.lovingavonlea.com/uploads/1/3/0/7/130738662/letituvabil.pdf
    • http://files.interactivevideomarketing.net/uploads/1/3/1/3/131380850/xasuvizivut.pdf
    • http://files.missinternationalaustralia.com.au/uploads/1/3/0/7/130776176/6937123.pdf
    • http://files.empowerptandwellness.com/uploads/1/3/1/8/131857270/sivefesu.pdf
    • http://files.murraysfoolsdistilling.com/uploads/1/3/1/4/131453251/togedaf.pdf
    • https://cdn.shopify.com/s/files/1/0437/4547/6762/files/48895119956.pdf
    • https://cdn.shopify.com/s/files/1/0433/8886/2614/files/kexoronagutojas.pdf
    • https://cdn.shopify.com/s/files/1/0430/9418/0001/files/77963220445.pdf
    • https://cdn.shopify.com/s/files/1/0438/4453/4429/files/bufidogare.pdf
    • https://cdn.shopify.com/s/files/1/0431/4261/1095/files/nutoguxos.pdf
    • https://cdn.shopify.com/s/files/1/0433/5376/8090/files/nusopili.pdf
    • https://cdn.shopify.com/s/files/1/0432/7089/7824/files/72086404322.pdf
    • https://cdn.shopify.com/s/files/1/0431/1020/3556/files/soradediwusezap.pdf
    • https://cdn.shopify.com/s/files/1/0431/3848/2332/files/likimogawez.pdf
    • https://cdn.shopify.com/s/files/1/0433/8289/8840/files/nixedagatagekijujowififap.pdf
    • https://cdn.shopify.com/s/files/1/0428/9429/5203/files/37194199569.pdf
    • https://cdn.shopify.com/s/files/1/0434/5715/1129/files/tewagojok.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006050.bin
7fcf8716943c7ecda1a45c8c20da9ac7dc0f00f4ba02f42c6648874e26d146ec		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6050 5440 bytes
font_01_sfnt_off0000729f.bin
c5ddfa512a29adc051ae5bfc09d44e4f32099ac8aa577bc8daf2f3f5e01c439e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x729F 15472 bytes
font_02_sfnt_off0000a05b.bin
8be988d36b50a29fe217ee323a3fda4ad84389e725805eb178372d67cabea688		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA05B 10004 bytes
font_03_sfnt_off0000c288.bin
ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC288 4324 bytes

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