Malicious PDF — malware analysis report

Static analysis result for SHA-256 e090e910137aee5e…

MALICIOUS

PDF

44.2 KB Created: 2020-09-09 04:13:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 689b0953fca9791588755e13c9b73174 SHA-1: 0fbfae91f3476598d7f1a18e237881f236b77348 SHA-256: e090e910137aee5e24ff3c83a05ceb364359468755d749e152da76c5ec6f8dd4
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, directing users to 'https://ttraff.ru/pify?keyword=accidents+reported+today+in+pa'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, with the primary one pointing to a Shopify domain. The document body, though heavily obfuscated, contains the malicious URL and appears to be a lure related to 'accidents reported today in pa'. No scripts were extracted from this sample.

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.ru/pify?keyword=accidents+reported+today+in+pa
    • https://cdn.shopify.com/s/files/1/0436/0152/6948/files/87609737509.pdf
    • https://cdn.shopify.com/s/files/1/0436/8669/0969/files/35864430385.pdf
    • https://cdn.shopify.com/s/files/1/0437/0392/6939/files/poe_incursion_achievement_guide.pdf
    • https://cdn.shopify.com/s/files/1/0430/3159/3113/files/sinejolena.pdf
    • https://static.usrfiles.com/ugd/a382ee_a4630eacfac44804b4086518a017c458.pdf
    • https://static.usrfiles.com/ugd/c3f88d_416a3d6048164d378af8a55049230871.pdf
    • https://cdn.shopify.com/s/files/1/0434/2569/3845/files/17620840687.pdf
    • https://cdn.shopify.com/s/files/1/0437/1267/5990/files/23375559671.pdf
    • https://cdn.shopify.com/s/files/1/0430/1701/1353/files/accounting_ratios_download.pdf
    • https://cdn.shopify.com/s/files/1/0432/9242/6405/files/20238863353.pdf
    • https://static.usrfiles.com/ugd/3eed2b_d30bcfa48ae840a9b68e96022e9b1bb1.pdf
    • https://static.usrfiles.com/ugd/4d6844_e2cfdf506f1c4472a6a410a7f813ad57.pdf

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000583c.bin
0d214c5cb3bf83cbe62f62ef7d9f665327ce1866e15c28e27b22657491ce1b3c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x583C 4912 bytes
font_01_sfnt_off000068ee.bin
6fcb5fd617236c5c4a1c91ebc7bde6ae8c8e830722562d986169af6a0216e26e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x68EE 17740 bytes
font_02_sfnt_off00009f74.bin
7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9F74 4324 bytes

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