Malicious PDF — malware analysis report

Static analysis result for SHA-256 5709b4f010ab6b91…

MALICIOUS

PDF

45.7 KB Created: 2020-08-24 10:27:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9dfd8206f4666bc5906fded353243ef5 SHA-1: 8be92a1cd6b308f5fe82ca433856107df53614b0 SHA-256: 5709b4f010ab6b918ac0577799ae317b822c0db5db97454ad86cd135ebbfd2bc
160 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for an advance-fee scam lure, indicating it attempts to trick users with promises of software or prizes. It also contains a malicious redirector link pointing to ttraff.com, which is likely used to deliver a secondary payload or phish for credentials. The document body, though heavily obfuscated, contains the target URL and mentions 'Argus software for pharmacovigilance free', reinforcing the lure.

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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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=argus+software+for+pharmacovigilance+free
    • http://files.weheartsecondaryteachers.com/uploads/1/3/2/6/132695244/kujalaw.pdf
    • http://files.visionprintmedia.com/uploads/1/3/1/8/131871701/f59154e3.pdf
    • http://zorabumid.frankdrake.org/uploads/1/3/1/6/131606490/zikepaw.pdf
    • https://cdn.shopify.com/s/files/1/0439/7613/0718/files/92569429312.pdf
    • https://cdn.shopify.com/s/files/1/0429/2601/4630/files/20055972470.pdf
    • https://cdn.shopify.com/s/files/1/0434/7622/2118/files/century_21_accounting_workbook_answer_key.pdf
    • https://cdn.shopify.com/s/files/1/0428/4517/5971/files/aptis_exam_practice.pdf
    • https://cdn.shopify.com/s/files/1/0431/5018/0514/files/8142757210.pdf
    • https://cdn.shopify.com/s/files/1/0433/9820/1502/files/memebadifakadirezamu.pdf
    • https://cdn.shopify.com/s/files/1/0429/5095/1066/files/23404073329.pdf
    • https://cdn.shopify.com/s/files/1/0437/9679/1456/files/54781419326.pdf
    • https://cdn.shopify.com/s/files/1/0429/8535/7463/files/98245236531.pdf
    • https://cdn.shopify.com/s/files/1/0438/1612/4576/files/automotive_technology_principles_diagnosis_and_service_5th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0437/3826/7809/files/duxetewolazokil.pdf
    • https://cdn.shopify.com/s/files/1/0433/7005/3784/files/90421290871.pdf
    • https://cdn.shopify.com/s/files/1/0434/4243/8310/files/39495417471.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_off00007401.bin
6a0efd6404ec337dd4e1a35079324dc4808bf88544177953a4d4bb5ac29fd06b
pdf-font-stream PDF embedded font (sfnt) at offset 0x7401 5572 bytes
font_01_sfnt_off000086ea.bin
a52c89b913520a778fab1d91c4a29793c4e1e25225a16032cd78361584ef41ea
pdf-font-stream PDF embedded font (sfnt) at offset 0x86EA 10144 bytes