Malicious PDF — malware analysis report

Static analysis result for SHA-256 acbc6e7dc5e80443…

MALICIOUS

PDF

56.1 KB Created: 2020-09-02 02:06:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 2e12d9492d05eeb365b9d8649c3cda27 SHA-1: 41c603764f7267538ed63e1d72c23e0cc8d787df SHA-256: acbc6e7dc5e8044341004e529bfca001d2e708102c21160dacd7f59fc52b1e32
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link T1059.001 PowerShell

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/wix?keyword=red+skull+and+crossbones+pill+report'. Additionally, it exhibits characteristics of a PDF link farm, with numerous links to external PDFs, many hosted on cdn.shopify.com. The document body, though heavily obfuscated, contains the malicious URL, suggesting a social engineering attempt to trick the user into clicking it.

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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/wix?keyword=red+skull+and+crossbones+pill+report
    • https://cdn.shopify.com/s/files/1/0435/7583/6840/files/action_verbs_list_a_z.pdf
    • https://cdn.shopify.com/s/files/1/0430/3680/3233/files/41401798967.pdf
    • https://cdn.shopify.com/s/files/1/0435/0319/0180/files/12398058037.pdf
    • https://cdn.shopify.com/s/files/1/0431/1279/2225/files/naa_autograph_telugu_movie_naa_songs.pdf
    • https://cdn.shopify.com/s/files/1/0465/4075/1006/files/cinema_hd_apk_latest_version.pdf
    • https://cdn.shopify.com/s/files/1/0432/3655/6962/files/92344816657.pdf
    • https://cdn.shopify.com/s/files/1/0433/1926/3397/files/89630215266.pdf
    • https://cdn.shopify.com/s/files/1/0435/7079/0558/files/75003957416.pdf
    • https://cdn.shopify.com/s/files/1/0428/7397/9043/files/jolulazanubiwir.pdf
    • https://cdn.shopify.com/s/files/1/0433/2797/9678/files/45181958312.pdf
    • https://cdn.shopify.com/s/files/1/0434/1350/4150/files/dexabanavagovalazuvaper.pdf
    • https://cdn.shopify.com/s/files/1/0428/3406/7615/files/diagnostico_ambiental_local.pdf
    • https://cdn.shopify.com/s/files/1/0461/6473/8200/files/how_to_move_npcs_in_terraria.pdf
    • https://cdn.shopify.com/s/files/1/0430/7917/2257/files/staining_methods_in_microbiology.pdf
    • https://cdn.shopify.com/s/files/1/0437/7188/7767/files/mazusemedofojumawi.pdf
    • https://cdn.shopify.com/s/files/1/0430/3893/3146/files/68560559694.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_off00009739.bin
d3f0052d37beef88bcf1add54328160fd87ed77b5721670cd2205ed555261472
pdf-font-stream PDF embedded font (sfnt) at offset 0x9739 5276 bytes
font_01_sfnt_off0000a93d.bin
bcb7bae474946bc67876aecbcc3282608a83cdfa4ce105df702cd000c71cef3b
pdf-font-stream PDF embedded font (sfnt) at offset 0xA93D 13016 bytes