Malicious PDF — malware analysis report

Static analysis result for SHA-256 914201c981415333…

MALICIOUS

PDF

55.5 KB Created: 2020-08-09 03:00:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: adcf98460a3d50a56e8b7d4a7214e388 SHA-1: fe521ef4b070b6f9556387bcef732e3ae316e1c0 SHA-256: 914201c981415333baa020fa126a8ebbebe5e934d08770c91bf36db76bb036d7
150 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=life+after+death+deepak+chopra+pdf+download'. This URL is part of a link farm designed to attract users searching for specific content, in this case, a book download. The document body, though heavily obfuscated, also contains the same URL, reinforcing the lure. The presence of numerous external links, many hosted on Shopify, suggests an attempt to distribute content through a seemingly legitimate platform while using a redirector for malicious purposes.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=life+after+death+deepak+chopra+pdf+download
    • http://files.unleashyourself.org/uploads/1/3/2/6/132695805/sizoxekubimak_kinijatusimoku_pafunaw_sinububafasa.pdf
    • http://files.catherinebeerdabasso.com/uploads/1/3/1/0/131070459/voralibirizafiv-jexasiwe.pdf
    • http://files.b2bsolutionsgroup.net/uploads/1/3/2/6/132682564/zubovinudaxudew-gibosumijix-nuvafosodosa.pdf
    • http://files.a-1autoinc.com/uploads/1/3/1/4/131437601/lorotirivovelo.pdf
    • http://files.niwotcounseling.org/uploads/1/3/2/7/132740949/7958d41.pdf
    • https://cdn.shopify.com/s/files/1/0430/2657/9610/files/zimiwadubirizegadarew.pdf
    • https://cdn.shopify.com/s/files/1/0431/6102/6719/files/fazur.pdf
    • https://cdn.shopify.com/s/files/1/0431/8222/7617/files/43292030937.pdf
    • https://cdn.shopify.com/s/files/1/0435/4693/5451/files/denajalu.pdf
    • https://cdn.shopify.com/s/files/1/0434/5266/1926/files/wezutawuworufigemeziwumi.pdf
    • https://cdn.shopify.com/s/files/1/0431/6246/8514/files/xopaxarovubu.pdf
    • https://cdn.shopify.com/s/files/1/0431/7623/1063/files/80569106630.pdf
    • https://cdn.shopify.com/s/files/1/0433/7732/8278/files/25828234096.pdf
    • https://cdn.shopify.com/s/files/1/0431/6132/1634/files/19859163906.pdf
    • https://cdn.shopify.com/s/files/1/0428/6955/5356/files/capm_39-_1.pdf
    • https://cdn.shopify.com/s/files/1/0429/9587/5989/files/58577687088.pdf
    • https://cdn.shopify.com/s/files/1/0431/6702/3253/files/tafesiwumab.pdf
    • https://cdn.shopify.com/s/files/1/0434/2421/9288/files/atal_pension_yojana.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_off00009a7b.bin
a4ab30c5c164e5e6f1ee621dbee5adaea3042d7ad3e3dc20f0cde265726c0d88
pdf-font-stream PDF embedded font (sfnt) at offset 0x9A7B 5164 bytes
font_01_sfnt_off0000ac1c.bin
1685be777e0ecf879a4c8ce4773b455d8679595999cc0d27921b868a94889387
pdf-font-stream PDF embedded font (sfnt) at offset 0xAC1C 10636 bytes