Malicious PDF — malware analysis report

Static analysis result for SHA-256 2bcc41cad732f6ff…

MALICIOUS

PDF

41.3 KB Created: 2020-08-12 00:52:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: cec3df1ca3040bf882b5936f19bf4600 SHA-1: 9763624bf37d97147b08b26308756212fede0797 SHA-256: 2bcc41cad732f6ff5e2d0c60679d7aa483dcefc3872f1ae85ab91851ce8447b2
128 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.cc'. The document body, though partially corrupted, contains text related to 'Quantitative aptitude shortcuts for bank exams pdf free download' and includes the malicious URL, suggesting a lure to download further malicious content. The presence of a large number of external PDF links, many hosted on Shopify, further indicates a link farm designed to distribute malicious files.

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=quantitative+aptitude+shortcuts+for+bank+exams+pdf+free+download
    • http://zitad.trailoflife.org/uploads/1/3/1/3/131383775/turedomibuw.pdf
    • http://kalas.newfoundlandclubofnsw.com/uploads/1/3/0/7/130776483/wulixawaruv-naraxipujij-wutebaxes-kipuxexepuk.pdf
    • http://fotevuder.the8thcount.com/uploads/1/3/1/0/131070382/banupezagodip.pdf
    • https://cdn.shopify.com/s/files/1/0433/6523/6886/files/48284793416.pdf
    • https://cdn.shopify.com/s/files/1/0428/0428/1511/files/91534242843.pdf
    • https://cdn.shopify.com/s/files/1/0428/6719/6063/files/2628846664.pdf
    • https://cdn.shopify.com/s/files/1/0434/4456/8216/files/atmosfera_geografia.pdf
    • https://cdn.shopify.com/s/files/1/0428/2672/7580/files/believer_piano_sheet_music_free.pdf
    • https://cdn.shopify.com/s/files/1/0430/6105/1546/files/8n_ford_tractor_parts.pdf
    • https://cdn.shopify.com/s/files/1/0431/2023/0564/files/madedimekaturuzogap.pdf
    • https://cdn.shopify.com/s/files/1/0434/0659/0106/files/vanuruzonuwabe.pdf
    • https://cdn.shopify.com/s/files/1/0448/0778/2557/files/ncert_solutions_for_class_12_accountancy_download.pdf
    • https://cdn.shopify.com/s/files/1/0432/1335/7214/files/21426681116.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/31082235151.pdf
    • https://cdn.shopify.com/s/files/1/0431/7144/6939/files/22720458507.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/78108387577.pdf
    • https://cdn.shopify.com/s/files/1/0434/0649/1797/files/11860541666.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_off0000579c.bin
09fbf5fe829e04d9f31d39e0269ac40e90c804fb2e2012fa58ea10b5650c469b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x579C 5880 bytes
font_01_sfnt_off00006b7e.bin
3d710a4b121cc3492c3eb33a949758d423697a96dc6070b99fa40abea3aa876d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B7E 2116 bytes
font_02_sfnt_off00007549.bin
f28a5acc5d44aba46a6e2cd7fda9ab8ffe19c56f3b12042938d15d3fd67463b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7549 9984 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.