Malicious PDF — malware analysis report

Static analysis result for SHA-256 451452f7a595896e…

MALICIOUS

PDF

42.9 KB Created: 2020-08-24 20:20:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4c091b2a2b611e42e8d73d42033e9cc3 SHA-1: e5bf5f716bafbf3dab71807cf8a5d1af60d6c8a9 SHA-256: 451452f7a595896e59d150a0a45ea135da79b868b164d3b5aa6f73e2054bbaba
120 Risk Score

Malware Insights

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

The PDF document contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.com/pify?keyword=angular+html+script+template'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external PDF links, many of which are hosted on shopify.com. The document body, though heavily obfuscated, also contains the malicious redirector URL, reinforcing the lure to a potentially harmful site.

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.com/pify?keyword=angular+html+script+template
    • http://files.sanctuaries.org/uploads/1/3/1/8/131856443/jebegesogitesol.pdf
    • http://files.theunhealthycarnivore.com/uploads/1/3/0/9/130970014/texafo-tojoliga-zizolu-saroluzerus.pdf
    • http://files.gabrielletrinca.com/uploads/1/3/1/6/131636972/jerukizodozud_kufom_gixajakanuxo_jalipumobamewar.pdf
    • http://files.christianservicelearning.com/uploads/1/3/0/7/130776164/danesesi_biduwudipaji.pdf
    • http://files.333-godsendtimesosministry.org/uploads/1/3/2/7/132740270/57f4fdb07c92.pdf
    • https://cdn.shopify.com/s/files/1/0429/1746/2182/files/dipmala_cg_song_video_mp4.pdf
    • https://cdn.shopify.com/s/files/1/0432/4222/5832/files/31128082477.pdf
    • https://cdn.shopify.com/s/files/1/0430/9703/0805/files/delurureni.pdf
    • https://cdn.shopify.com/s/files/1/0434/5122/0124/files/foundations_of_oscillator_circuit_design_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/49090326843.pdf
    • https://cdn.shopify.com/s/files/1/0433/3810/4985/files/tanatologia_que_es.pdf
    • https://cdn.shopify.com/s/files/1/0440/0100/1630/files/lessons_learned_template_prince2.pdf
    • https://cdn.shopify.com/s/files/1/0438/6367/0939/files/37431719787.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_off00005d96.bin
9afdc0f5adb428ab862c619963244a6088feb36083c4f3ae31a622a96405fe05		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D96 5336 bytes
font_01_sfnt_off00006f89.bin
371eb5eba77ec1204073852fd13a56f3e1a01cea09e00858c27c9450eea8d627		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F89 15344 bytes

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