Malicious PDF — malware analysis report

Static analysis result for SHA-256 30e35dddf842d1fa…

MALICIOUS

PDF

52.2 KB Created: 2020-08-08 11:17:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3cf6365daeeb031bca537609415b674c SHA-1: 0e856925094edac13077c1e59347ab4bbefc91b2 SHA-256: 30e35dddf842d1fa1a8eab242812e4a6daa59e1ee04eb6b895b0475edbd06890
160 Risk Score

Malware Insights

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

The PDF file contains numerous external links, with one specifically pointing to a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text that, combined with the heuristic 'SE_ADVANCE_FEE_SCAM_LURE', suggests a scam involving lottery or parcel delivery. The presence of a malicious redirector link indicates an attempt to lead the user to a malicious site.

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.cc/pify?keyword=flowers+for+algernon+pdf+test
    • http://files.fanfaresandreveries.com/uploads/1/3/1/4/131454049/fde917f.pdf
    • http://files.luckypennyrealty.com/uploads/1/3/0/7/130776567/9317475.pdf
    • http://files.mecaholland.org/uploads/1/3/1/3/131398140/6531612.pdf
    • https://cdn.shopify.com/s/files/1/0428/8974/0441/files/kufivejofejutirogutamexan.pdf
    • https://cdn.shopify.com/s/files/1/0428/6365/7119/files/biglietti_da_visita_gratis_online.pdf
    • https://cdn.shopify.com/s/files/1/0433/9331/9079/files/65303071427.pdf
    • https://cdn.shopify.com/s/files/1/0429/7100/5082/files/95154591363.pdf
    • https://cdn.shopify.com/s/files/1/0434/1510/9797/files/discord_text_color.pdf
    • https://cdn.shopify.com/s/files/1/0433/7028/3173/files/drake_sword_ds1.pdf
    • https://cdn.shopify.com/s/files/1/0429/1677/4054/files/visatal.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/64989875230.pdf
    • https://cdn.shopify.com/s/files/1/0430/5757/8138/files/gamafovogojufinimezusiro.pdf
    • https://cdn.shopify.com/s/files/1/0433/4069/3662/files/automotive_biw_design.pdf
    • https://cdn.shopify.com/s/files/1/0431/7754/1791/files/32642848743.pdf
    • https://cdn.shopify.com/s/files/1/0435/6728/4379/files/tijagefipaniredal.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_off00008eb1.bin
0e4c73c2aa4fbdd54c0c198f4f5ce6fa855dfdcd75ed17396ed4364f2bcbd1c5
pdf-font-stream PDF embedded font (sfnt) at offset 0x8EB1 5256 bytes
font_01_sfnt_off0000a0b7.bin
6a9eef159d9d510718f7aa707bd0588d7bd320673d5cd0dc509be0467f7583fe
pdf-font-stream PDF embedded font (sfnt) at offset 0xA0B7 10200 bytes