Malicious PDF — malware analysis report

Static analysis result for SHA-256 95bb7d22ade10fbe…

MALICIOUS

PDF

49.5 KB Created: 2020-08-09 22:43:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8048f0540b41f43ab267a7be25be4cc8 SHA-1: baf9e5515ebd0e3ef598d862bb3c6188ee239b08 SHA-256: 95bb7d22ade10fbe894a2213a94c3742afc5c5dff6e764aeca4fa256b0594bc6
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with a critical heuristic firing indicating a link farm and a redirector to known malicious infrastructure. The primary malicious URL identified is 'https://ttraff.cc/pify?keyword=tabla+alimentos+proteinas+pdf'. While many other links point to benign Shopify domains, the presence of the redirector and the sheer volume of links suggest a malicious intent, possibly for SEO abuse or to distribute further malware. No scripts were extracted, limiting the analysis of direct payload execution.

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/pify?keyword=tabla+alimentos+proteinas+pdf
    • http://files.artemisiaherbals.net/uploads/1/3/0/7/130740524/lepunuso.pdf
    • http://files.wateam.net/uploads/1/3/1/3/131380539/1945396.pdf
    • http://files.esan-network.co.uk/uploads/1/3/1/1/131164130/2794948.pdf
    • https://cdn.shopify.com/s/files/1/0437/2375/1575/files/12137295852.pdf
    • https://cdn.shopify.com/s/files/1/0430/3536/1442/files/rovuwolasojoxuduwen.pdf
    • https://cdn.shopify.com/s/files/1/0431/3323/9457/files/32017288906.pdf
    • https://cdn.shopify.com/s/files/1/0431/4690/3709/files/36131462509.pdf
    • https://cdn.shopify.com/s/files/1/0429/1143/2867/files/26681715208.pdf
    • https://cdn.shopify.com/s/files/1/0431/6839/9524/files/79342190366.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/9204741539.pdf
    • https://cdn.shopify.com/s/files/1/0434/5652/8544/files/komokenidupuvoziwogemuzip.pdf
    • https://cdn.shopify.com/s/files/1/0434/2513/6792/files/xubiparowet.pdf
    • https://cdn.shopify.com/s/files/1/0431/2537/5130/files/41888600307.pdf
    • https://cdn.shopify.com/s/files/1/0428/8688/9625/files/94287416879.pdf
    • https://cdn.shopify.com/s/files/1/0434/8405/3669/files/11810699042.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_off00007432.bin
75c55ee92eb32f4f8d7e3b467791b2af345f32dca907050b1f16f7a596089e4a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7432 5064 bytes
font_01_sfnt_off0000853e.bin
0c479e9c975e2d5ea7d57695d51025f8611158174a5ce6ab6394c78e0eb16a0d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x853E 11256 bytes
font_02_sfnt_off0000a9b5.bin
4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA9B5 4324 bytes

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