Malicious PDF — malware analysis report

Static analysis result for SHA-256 b55684809072424c…

MALICIOUS

PDF

42.8 KB Created: 2020-08-03 00:42:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7acff5a3a0798a09d0b82459b766b989 SHA-1: 39bb5282560c49ee058ea3b5db1a3af19fa85cbe SHA-256: b55684809072424c9d1f03ea96d2d715b353f3e1e50c2d7ca39bd31362f20913
140 Risk Score

Malware Insights

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

The PDF document contains a link designed to look like an Adobe membership cancellation notice, which redirects to malicious infrastructure at ttraff.cc. The document also hosts a large number of external PDF links, likely for SEO manipulation or to distribute further payloads. The presence of a callback lure suggests a phishing or scam attempt.

Heuristics 4

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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=adobe+membership+cancel
    • http://files.toddmcadam.com/uploads/1/3/0/7/130740231/zizibotozuxudog.pdf
    • http://files.segarraproductioninsuranceservices.com/uploads/1/3/0/9/130970003/zajoju_sifowizufat_danulemet_bujifez.pdf
    • http://files.dmrfarms.com/uploads/1/3/2/7/132740997/2d97f.pdf
    • https://cdn.shopify.com/s/files/1/0431/2947/1130/files/fomuda.pdf
    • https://cdn.shopify.com/s/files/1/0437/1218/4474/files/buletogefugomonefopafo.pdf
    • https://cdn.shopify.com/s/files/1/0428/2748/1255/files/weribetoxodiwo.pdf
    • https://cdn.shopify.com/s/files/1/0439/9919/9390/files/53206150098.pdf
    • https://cdn.shopify.com/s/files/1/0435/3720/3364/files/11035981761.pdf
    • https://cdn.shopify.com/s/files/1/0430/3152/7575/files/91586326700.pdf
    • https://cdn.shopify.com/s/files/1/0429/1988/7001/files/92955230504.pdf
    • https://cdn.shopify.com/s/files/1/0440/0496/6565/files/l118_john_deere.pdf
    • https://cdn.shopify.com/s/files/1/0435/6990/5825/files/21716292318.pdf
    • https://cdn.shopify.com/s/files/1/0430/4257/0401/files/lufelog.pdf
    • https://cdn.shopify.com/s/files/1/0434/2962/6017/files/dopolupipuw.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_off0000676a.bin
0ca3d14cce844f84ff4071b8c0b70142a7b09dbbae2bd611db54f0920b32dbaf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x676A 5444 bytes
font_01_sfnt_off000079b5.bin
3380070881fa93c502940801084ce0f8e51f013d04a013c6ae75efd6d4fb2057		 pdf-font-stream PDF embedded font (sfnt) at offset 0x79B5 10616 bytes

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