Malicious PDF — malware analysis report

Static analysis result for SHA-256 42dd3760511bec9a…

MALICIOUS

PDF

56.2 KB Created: 2020-08-25 08:02:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8cba4445fb03942b728bfecdd67b05c7 SHA-1: edb24703a03afb0e41b359e592ef7089bd67ca09 SHA-256: 42dd3760511bec9a3e72e7bf932dcbaa059d03e895adb41de24cfe8185c315cb
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to external resources. One critical heuristic identified a link to known malicious redirector infrastructure, specifically 'https://ttraff.cc/pify?keyword=tamilyogi+bogan+hd+movie'. The document body, though heavily obfuscated, also contains this URL, suggesting the primary intent is to redirect users to malicious content. The presence of numerous PDF links further supports the idea of a link farm used for SEO manipulation or distributing further malicious content.

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=tamilyogi+bogan+hd+movie
    • http://files.dcsq.org/uploads/1/3/2/6/132681479/7523085.pdf
    • http://files.mybadgepassport.com/uploads/1/3/0/9/130969699/a54a5bb02db06d.pdf
    • http://mizopagez.beardedbomb.com/uploads/1/3/1/0/131070894/tikavoliz.pdf
    • https://cdn.shopify.com/s/files/1/0434/8110/4541/files/39579121961.pdf
    • https://cdn.shopify.com/s/files/1/0435/0210/8836/files/apprenticeship_manitoba_contact_information.pdf
    • https://cdn.shopify.com/s/files/1/0437/4809/8209/files/administrative_court_judicial_review_guide_2019.pdf
    • https://cdn.shopify.com/s/files/1/0430/4519/1841/files/50432143341.pdf
    • https://cdn.shopify.com/s/files/1/0429/2352/4259/files/bdnf_and_exercise.pdf
    • https://cdn.shopify.com/s/files/1/0433/8266/9464/files/carrier_psychrometric_chart_si_units.pdf
    • https://cdn.shopify.com/s/files/1/0429/3387/8940/files/52533121348.pdf
    • https://cdn.shopify.com/s/files/1/0434/3123/1637/files/4381344005.pdf
    • https://cdn.shopify.com/s/files/1/0431/5470/2496/files/pokemon_yellow_rom_cheats.pdf
    • https://cdn.shopify.com/s/files/1/0434/3978/4103/files/rusikikazusel.pdf
    • https://cdn.shopify.com/s/files/1/0436/5382/4677/files/77791803891.pdf
    • https://cdn.shopify.com/s/files/1/0434/6265/6152/files/mufaxoketenejifidokuf.pdf
    • https://cdn.shopify.com/s/files/1/0432/3885/0719/files/repeating_pistol_bloodborne.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
115956f5f12a3d54defe27d0c0142086ebc581f201241ba4f1363273b61f5d02
pdf-font-stream PDF embedded font (sfnt) at offset 0x7432 5216 bytes
font_01_sfnt_off000085d4.bin
416b687883c8c5261d8b49bbd897bdbdc70d90aab333bd77673f4b5972fc265c
pdf-font-stream PDF embedded font (sfnt) at offset 0x85D4 10616 bytes
font_02_sfnt_off0000a1e1.bin
d3402811250ef2b16046acd85319dc611318eb67eeb0e28c787cd6f9ffd40627
pdf-font-stream PDF embedded font (sfnt) at offset 0xA1E1 15320 bytes