Malicious PDF — malware analysis report

Static analysis result for SHA-256 a1ec4bbc1dd26652…

MALICIOUS

PDF

41.2 KB Created: 2020-08-12 15:39:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 94d6f6a4633d1cc82a3e3eb24c388a9a SHA-1: 752ef56b939643f7c8b2067eedf3e94361d83f04 SHA-256: a1ec4bbc1dd26652bf25636cdf6bcc17dffe7202200a0ad438f1a2c53f2e504e
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link

The PDF file contains a critical heuristic indicating it links to known malicious redirector infrastructure via the URL https://ttraff.com/pify?keyword=amando+a+pablo+odiando+a+escobar+pdf+completo. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, many hosted on cdn.shopify.com, likely to manipulate search engine results or distribute malicious content. The document body, though partially corrupted, contains the title 'Amando a pablo odiando a escobar pdf completo' and the malicious ttraff.com URL, suggesting a lure to entice users to click through to potentially harmful sites.

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=amando+a+pablo+odiando+a+escobar+pdf+completo
    • http://files.stpaullevittown.org/uploads/1/3/1/3/131384777/1cbab3d6a2394.pdf
    • http://nutovame.barehandcreations.com/uploads/1/3/1/8/131855997/405e74cf5153491.pdf
    • http://rekanafeb.wanderingtrailsflowers.com/uploads/1/3/0/7/130775387/82783.pdf
    • http://files.keelestudenthouses.com/uploads/1/3/2/6/132682042/da4c7f49.pdf
    • https://cdn.shopify.com/s/files/1/0435/0250/2048/files/bleach_msds.pdf
    • https://cdn.shopify.com/s/files/1/0436/3278/7609/files/95348473358.pdf
    • https://cdn.shopify.com/s/files/1/0431/6725/2629/files/rational_numbers_worksheet_grade_8_cbse.pdf
    • https://cdn.shopify.com/s/files/1/0433/9151/6826/files/25857902437.pdf
    • https://cdn.shopify.com/s/files/1/0431/1092/4437/files/elona_custom_ai.pdf
    • https://cdn.shopify.com/s/files/1/0431/5673/4109/files/gotanerupifovirow.pdf
    • https://cdn.shopify.com/s/files/1/0430/8166/2628/files/11053592308.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/23063093424.pdf
    • https://cdn.shopify.com/s/files/1/0433/4868/9050/files/kipifigafixetele.pdf
    • https://cdn.shopify.com/s/files/1/0433/2758/6457/files/lefimuropifefuxozuxel.pdf
    • https://cdn.shopify.com/s/files/1/0434/6196/8025/files/advantages_and_disadvantages_of_bancassurance.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_off0000639c.bin
5965744851ba27f52fbb81f60609494df177d16c58f4b8e3628fd95d6139a2fb
pdf-font-stream PDF embedded font (sfnt) at offset 0x639C 5432 bytes
font_01_sfnt_off000075ed.bin
aaadb58331085a58d9f0dac92cffce0c075dfd2fce065a39c9b3f96e09d4c011
pdf-font-stream PDF embedded font (sfnt) at offset 0x75ED 9876 bytes