Malicious PDF — malware analysis report

Static analysis result for SHA-256 b32c9ba66dc0d02b…

MALICIOUS

PDF

49.0 KB Created: 2020-08-10 03:34:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 2448edfc2c1615ebcf60f1d9bbc5f38d SHA-1: e6f060fa74c320516bfb4602713bafaf37ff6467 SHA-256: b32c9ba66dc0d02b5f384873d177ceefca71bae696de58637bed9503f2ae6828
142 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 benign Shopify URLs, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'Energias renovables pdf libro' and includes the malicious URL, suggesting a lure. The presence of a callback phishing lure heuristic further supports the assessment that this document is designed to trick the user into interacting with malicious infrastructure.

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=energias+renovables+pdf+libro
    • http://fodogobux.lightingshowroommullingar.com/uploads/1/3/1/4/131453674/fbdf20e3.pdf
    • http://files.rockymtnblueticks.com/uploads/1/3/0/9/130969313/pamugup-wonafiga.pdf
    • http://metogudi.memphisescaperooms.com/uploads/1/3/2/6/132681579/f5286272bee7809.pdf
    • http://pubixe.lynnpetersongallery.com/uploads/1/3/2/6/132682883/zivaforu-budulo-mivipatoka.pdf
    • https://cdn.shopify.com/s/files/1/0432/4065/2960/files/esl_asking_questions_worksheet.pdf
    • https://cdn.shopify.com/s/files/1/0432/1961/5901/files/lezilibonaxivovoga.pdf
    • https://cdn.shopify.com/s/files/1/0433/7316/6757/files/pudatujuxudigixexofalo.pdf
    • https://cdn.shopify.com/s/files/1/0430/9372/1255/files/37226914005.pdf
    • https://cdn.shopify.com/s/files/1/0437/5802/6903/files/geragozevuvolobogubemu.pdf
    • https://cdn.shopify.com/s/files/1/0438/1802/5122/files/bach_minuet_in_g_major_bwv_anh_114_piano.pdf
    • https://cdn.shopify.com/s/files/1/0435/3536/8346/files/50051006359.pdf
    • https://cdn.shopify.com/s/files/1/0433/0346/9221/files/jeniviwojar.pdf
    • https://cdn.shopify.com/s/files/1/0435/2966/6724/files/bozemerabodekifojibuvev.pdf
    • https://cdn.shopify.com/s/files/1/0435/2894/5815/files/49189548690.pdf
    • https://cdn.shopify.com/s/files/1/0429/1834/6915/files/atmel_sam3x8e.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nuxekenosagulowagegur.pdf
    • https://cdn.shopify.com/s/files/1/0435/2563/6248/files/23186026526.pdf
    • https://cdn.shopify.com/s/files/1/0435/9605/4690/files/realtor_home_buyer_guide.pdf
    • https://cdn.shopify.com/s/files/1/0430/0328/1571/files/discord_markdown_text.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_off000079fb.bin
cefef2aee45917253d3d2ed64a4604b42b3bf74cabf5163a47af34c9f2ed69e2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x79FB 5368 bytes
font_01_sfnt_off00008c50.bin
4a7d4b4303c12b2fe456003c72181057de1a7dd95be13cb72e28e0eaeb1ce606		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8C50 13444 bytes

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