Malicious PDF — malware analysis report

Static analysis result for SHA-256 9591d14f4e2027d7…

MALICIOUS

PDF

43.6 KB Created: 2020-08-30 08:40:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6987cb1a7cd6aaf168c05d379f4a6fe1 SHA-1: 337ace6e1cda423f99cc4bf0feadb62ad43884b4 SHA-256: 9591d14f4e2027d7eef829cc669aa6360fa82ba1309188c10d0d0c636ccbff38
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing indicating it links to known malicious redirector infrastructure. The document body, though partially corrupted, contains text suggesting it is an instruction manual, which is a common lure. The primary malicious URL identified is ttraff.cc, which is likely used to redirect the user to a further malicious destination.

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/wix?keyword=pixie+the+craft+machine+by+singer+instruction+manual
    • https://static.usrfiles.com/ugd/b8c837_6d93da4b6e9e4bac8ba8ce9981073a82.pdf
    • https://static.usrfiles.com/ugd/e3834b_bab8a14f3b614857a9224b50c08354ef.pdf
    • https://static.usrfiles.com/ugd/b8c837_66dc8210f9214acfbe9ec9d284a283d5.pdf
    • https://static.usrfiles.com/ugd/9dda13_dcb0a10e0160415ab68542662324e530.pdf
    • https://static.usrfiles.com/ugd/b8c837_f98e6001c74b458a874cf25bf729292c.pdf
    • https://static.usrfiles.com/ugd/e2c6c1_cc1dca339e7742b5b8b0b14c257f1051.pdf
    • https://cdn.shopify.com/s/files/1/0433/3443/4969/files/32699199727.pdf
    • https://cdn.shopify.com/s/files/1/0430/1262/0447/files/30905489217.pdf
    • https://cdn.shopify.com/s/files/1/0432/1889/5010/files/57271834861.pdf
    • https://cdn.shopify.com/s/files/1/0432/6716/2276/files/sotokoj.pdf
    • https://cdn.shopify.com/s/files/1/0432/6565/4939/files/aquage_transforming_paste_pump.pdf
    • https://cdn.shopify.com/s/files/1/0435/5466/8705/files/age_of_empires_2_cheat_codes.pdf
    • https://cdn.shopify.com/s/files/1/0461/7581/3786/files/torchlight_2_embermage_guide_deutsch.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_off000064e4.bin
cc9e810e90600d9bc072d6d35b34874e244aa909130ba83483bffecb450a1efe		 pdf-font-stream PDF embedded font (sfnt) at offset 0x64E4 5608 bytes
font_01_sfnt_off000077da.bin
7a2125b4ee24433c78fe9d26ab5d5f94391c8b0da3194a5f1e65c31487501214		 pdf-font-stream PDF embedded font (sfnt) at offset 0x77DA 13536 bytes

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