Malicious PDF — malware analysis report

Static analysis result for SHA-256 3a29b170001add46…

MALICIOUS

PDF

41.9 KB Created: 2020-08-12 01:16:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4e6b1fd5a99e17b8118448c5fabd53bf SHA-1: 17a02b0b3905104a326df2f5d27e28aa6e149855 SHA-256: 3a29b170001add46ffe93ae1aacfd6d942ff81418b7478dfa3b85a71bbe4ea26
120 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which point to a link farm hosted on Shopify. One of these links, https://ttraff.cc/pify?keyword=layne+norton+fat+loss+forever+pdf, is identified as a malicious redirector. This suggests the document's primary purpose is to redirect users to malicious sites, likely for phishing or malware distribution. No scripts were extracted, but the PDF structure and embedded links strongly indicate a social engineering attack.

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=layne+norton+fat+loss+forever+pdf
    • http://files.triestevillas.com/uploads/1/3/1/4/131437056/pajewetosotifim.pdf
    • http://files.hollyvision.biz/uploads/1/3/1/4/131453934/fazexuwete.pdf
    • http://files.temeculajunkremoval.com/uploads/1/3/0/9/130968996/4082c9ddc7505c.pdf
    • https://cdn.shopify.com/s/files/1/0434/8323/4470/files/4877833763.pdf
    • https://cdn.shopify.com/s/files/1/0428/7512/5919/files/autocad_drawing_to_converter_free.pdf
    • https://cdn.shopify.com/s/files/1/0435/4267/5608/files/atf_form_3310._4.pdf
    • https://cdn.shopify.com/s/files/1/0433/7595/2030/files/edema_pretibial_adalah.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/69892687871.pdf
    • https://cdn.shopify.com/s/files/1/0444/4097/7574/files/charmaine_harris_swarthe.pdf
    • https://cdn.shopify.com/s/files/1/0434/0344/4387/files/fomeni.pdf
    • https://cdn.shopify.com/s/files/1/0454/6635/3814/files/soda_10_crack.pdf
    • https://cdn.shopify.com/s/files/1/0431/5322/7936/files/68762642962.pdf
    • https://cdn.shopify.com/s/files/1/0437/1100/4821/files/66012519626.pdf
    • https://cdn.shopify.com/s/files/1/0434/6665/3858/files/zuzikad.pdf
    • https://cdn.shopify.com/s/files/1/0428/8125/3535/files/77931108871.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_off000066aa.bin
2e3b8ad4fbc77ecd1826c9aac893143e052f2791f09d464511b910f3bb58d758		 pdf-font-stream PDF embedded font (sfnt) at offset 0x66AA 5136 bytes
font_01_sfnt_off00007847.bin
095d94bbb8d6781b187ca29562243aae1301f043e361038b34a45877a5a794dc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7847 10160 bytes

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