Malicious PDF — malware analysis report

Static analysis result for SHA-256 c20d74589f4b9de2…

MALICIOUS

PDF

50.8 KB Created: 2020-08-31 03:31:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 764dfc2abbe4e9cfd940b8da7558f84d SHA-1: 7fb737e143aa64c7b5293edaf4f9e9f77047c3b0 SHA-256: c20d74589f4b9de24033967f22feb839651581d5effc57925000a7a764835244
120 Risk Score

Malware Insights

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

The PDF contains numerous links, with one critical heuristic identifying a malicious redirector. The document body, though partially corrupted, contains text related to 'law of attraction guided meditation' and the malicious URL. This suggests a social engineering lure to entice users to click the malicious link, likely for phishing or malware distribution. The presence of many Shopify links, while mostly benign, is part of a link farm strategy to improve SEO for the malicious redirector.

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=law+of+attraction+guided+meditation
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sefumiwizekoreletete.pdf
    • https://cdn.shopify.com/s/files/1/0457/4612/7004/files/discharge_planning_worksheet_cms.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/papixusisijipe.pdf
    • https://cdn.shopify.com/s/files/1/0431/8330/8955/files/nivipawurotedenu.pdf
    • https://cdn.shopify.com/s/files/1/0434/1855/0439/files/lagrange_s_mean_value_theorem_proof.pdf
    • https://cdn.shopify.com/s/files/1/0439/8995/8814/files/63908164491.pdf
    • https://cdn.shopify.com/s/files/1/0437/8283/2280/files/fogutiwiwegawaju.pdf
    • https://cdn.shopify.com/s/files/1/0437/8260/2904/files/aarum_kaana_video_song.pdf
    • https://cdn.shopify.com/s/files/1/0432/5382/5694/files/canon_pixma_pro-_100_rebate.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/30551251375.pdf
    • https://cdn.shopify.com/s/files/1/0440/7640/0792/files/69970409964.pdf
    • https://cdn.shopify.com/s/files/1/0447/8294/4405/files/best_creative_resume_templates_free.pdf
    • https://cdn.shopify.com/s/files/1/0430/9316/4199/files/41351091145.pdf
    • https://static.usrfiles.com/ugd/b11f6d_1117cd838ab94077a593e184068b034e.pdf
    • https://static.usrfiles.com/ugd/5d2cf3_2239d61ac68a4b21b6c1030dfb9118fa.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007bcc.bin
abd02273c3b8de19e510de26c0fd684907404bfc14ac9e029409eb227d24e0d5
pdf-font-stream PDF embedded font (sfnt) at offset 0x7BCC 5164 bytes
font_01_sfnt_off00008d51.bin
be38186c9256ba0e64b07d34cca2e63b176d3ffd182ae4667a642b503e748fe0
pdf-font-stream PDF embedded font (sfnt) at offset 0x8D51 6148 bytes
font_02_sfnt_off00009d30.bin
219376ed7b571df65f8f828226bfd2d6b55e204fa3e106f643eb027bed415095
pdf-font-stream PDF embedded font (sfnt) at offset 0x9D30 9716 bytes