Malicious PDF — malware analysis report

Static analysis result for SHA-256 5382a7c9dcfc1a92…

MALICIOUS

PDF

44.8 KB Created: 2020-08-19 12:43:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6bffc10b0113808b6e5ed263d5409899 SHA-1: 1a47737f27ad78d38c6aeead350b3aa0b832a662 SHA-256: 5382a7c9dcfc1a92f40c293150dbd99888bd02c35b371d0daced609f79f2b307
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many pointing to Shopify domains, but also includes a critical link to a known malicious redirector at 'https://ttraff.com/pify?keyword=platform+7+review'. The document body, though heavily obfuscated, contains this same URL, suggesting the primary intent is to redirect the user to this malicious site. The presence of a link farm heuristic further supports the malicious intent of distributing links.

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=platform+7+review
    • http://savewi.corpsefeed.com/uploads/1/3/1/4/131482975/741ca5e58.pdf
    • http://files.rootedandrestored.org/uploads/1/3/0/7/130740522/8734627.pdf
    • http://witig.careforwildlife.org/uploads/1/3/0/8/130814788/52ebae304.pdf
    • http://files.rosiespoppy.com/uploads/1/3/1/3/131378899/f001ed.pdf
    • https://cdn.shopify.com/s/files/1/0427/8072/1311/files/81764246760.pdf
    • https://cdn.shopify.com/s/files/1/0440/2449/6286/files/anaerobic_fermentation_process.pdf
    • https://cdn.shopify.com/s/files/1/0431/2589/9426/files/random_song_lyrics.pdf
    • https://cdn.shopify.com/s/files/1/0428/8475/9711/files/pemugududiwulujurozit.pdf
    • https://cdn.shopify.com/s/files/1/0428/5913/5132/files/bagan_self_guided_tour.pdf
    • https://cdn.shopify.com/s/files/1/0437/9875/7538/files/xebesupiz.pdf
    • https://cdn.shopify.com/s/files/1/0432/0991/6576/files/case_study_research_design_and_methods_robert_yin.pdf
    • https://cdn.shopify.com/s/files/1/0429/8627/4967/files/84341232448.pdf
    • https://cdn.shopify.com/s/files/1/0432/0837/6482/files/sowogeri.pdf
    • https://cdn.shopify.com/s/files/1/0432/6385/2712/files/lujanusutu.pdf
    • https://cdn.shopify.com/s/files/1/0433/4669/0203/files/84106583032.pdf
    • https://cdn.shopify.com/s/files/1/0429/3338/7420/files/balancing_chemical_equations_answers_phet.pdf
    • https://cdn.shopify.com/s/files/1/0439/7613/0718/files/52320092187.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/
    • https://cdn.shopify.com/s/fil

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007373.bin
91285efa025ed18aa7c50d0db540534a06fcd2dae950aed439eae395ed667f90
pdf-font-stream PDF embedded font (sfnt) at offset 0x7373 4968 bytes
font_01_sfnt_off0000845d.bin
38245e69f6c39b55dc0c2609a34c85e75c21c4f9c518aff712da175dff4d547c
pdf-font-stream PDF embedded font (sfnt) at offset 0x845D 9996 bytes