Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe97b94b3d1ab92a…

MALICIOUS

PDF

41.7 KB Created: 2020-08-25 08:31:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 514c73c85b848ce5643d313f77f2bc2b SHA-1: 7c2ff0f35dc35cb72399f0415ec3cd1fd3b3b626 SHA-256: fe97b94b3d1ab92aa59c91ed52b7b6d75322cf610bfcbbcda5094f4843311864
120 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link pointing to 'ttraff.cc', which is used in a lure related to 'Adsense approval blogger template'. The document also contains a large number of embedded links, many of which point to Shopify domains, but the primary malicious link is the redirector. The presence of a malicious redirector and the SEO link farm heuristic indicate a campaign to drive traffic to malicious sites.

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=adsense+approval+blogger+template
    • http://files.staylorhedgesart.com/uploads/1/3/1/4/131406977/kafeduwotibebiz.pdf
    • http://dalita.myerstoolrental.com/uploads/1/3/2/7/132741100/pafuwafu-kixiwid-subanagogarafer-wosotisox.pdf
    • https://cdn.shopify.com/s/files/1/0432/7528/8742/files/function_of_central_bank_of_bangladesh.pdf
    • https://cdn.shopify.com/s/files/1/0434/3028/1381/files/30045388812.pdf
    • https://cdn.shopify.com/s/files/1/0465/5277/6862/files/fesaninam.pdf
    • https://cdn.shopify.com/s/files/1/0437/7713/0658/files/mukovifoxulemesame.pdf
    • https://cdn.shopify.com/s/files/1/0431/7691/9194/files/mubenuteripiletede.pdf
    • https://cdn.shopify.com/s/files/1/0431/3320/6682/files/gimarefubitakedevemoguju.pdf
    • https://cdn.shopify.com/s/files/1/0435/0623/7604/files/chemistry_equation_symbols.pdf
    • https://cdn.shopify.com/s/files/1/0429/3361/6803/files/93909682913.pdf
    • https://cdn.shopify.com/s/files/1/0438/9784/7976/files/msc_business_information_systems_management_middlesex_university.pdf
    • https://cdn.shopify.com/s/files/1/0430/2818/5239/files/effects_of_globalisation_in_africa.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/76588695657.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_off0000653d.bin
19f67de93b66d84c9b4b0d4c02f11290172b22cd6302ae700dd9f253fe942b2c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x653D 5468 bytes
font_01_sfnt_off000077bf.bin
46055ea19850f772478f150145f2bbbcb32d52d29cdb07f3ba6adeec29571f2d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x77BF 10060 bytes

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