Malicious PDF — malware analysis report

Static analysis result for SHA-256 1c8c60442b9d75f7…

MALICIOUS

PDF

43.9 KB Created: 2020-08-05 04:37:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 06c5a883e14d02ca09f6b8bd21a8b644 SHA-1: 06cb55ffa009a9b1db77c1314799e8fa3beaf0b2 SHA-256: 1c8c60442b9d75f78c8f68bdaaf7faa6fe4238f3ecd8316b1d2a12d7fece675b
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at 'https://ttraff.cc/pify?keyword=canon+4000d+manual+pdf+download'. This indicates a lure to trick users into clicking the malicious link, likely for phishing or malware delivery. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=canon+4000d+manual+pdf+download
    • http://files.kilkennyarchclub.com/uploads/1/3/0/7/130776492/9820818.pdf
    • http://files.summersiartcrafts.com/uploads/1/3/0/8/130813095/f160955b5.pdf
    • http://files.banditaerialproductions.net/uploads/1/3/2/3/132302892/xosesefu_naxotoweguvone_guxakedofi_wuvipilit.pdf
    • http://files.the-therapy-centre.com/uploads/1/3/0/7/130739060/birubuwururabila.pdf
    • http://files.getbeand.com/uploads/1/3/0/7/130775647/1140442.pdf
    • https://cdn.shopify.com/s/files/1/0436/9219/5993/files/90760041138.pdf
    • https://cdn.shopify.com/s/files/1/0440/0722/7542/files/2000_jeep_wrangler_owners_manual_free.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/67062005494.pdf
    • https://cdn.shopify.com/s/files/1/0438/6340/8795/files/6676847756.pdf
    • https://cdn.shopify.com/s/files/1/0433/9095/9766/files/sadajid.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/65107231385.pdf
    • https://cdn.shopify.com/s/files/1/0430/6200/1821/files/22963726457.pdf
    • https://cdn.shopify.com/s/files/1/0430/4951/7205/files/34775977810.pdf
    • https://cdn.shopify.com/s/files/1/0430/8962/5250/files/42361321359.pdf
    • https://cdn.shopify.com/s/files/1/0450/6284/8664/files/sabertooth_990fx_manual.pdf
    • https://cdn.shopify.com/s/files/1/0434/3716/2657/files/jopabowinuretape.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_off00005f0c.bin
59701ab6f1a8c012dd8ec870d317e4651c2abf9fe53e1fa5cdcb5946a55c7908
pdf-font-stream PDF embedded font (sfnt) at offset 0x5F0C 3724 bytes
font_01_sfnt_off00006c49.bin
a968e15d801c2312f5c14ad6361151750b6c4ae0b899ba98e51a393a351860fc
pdf-font-stream PDF embedded font (sfnt) at offset 0x6C49 5140 bytes
font_02_sfnt_off00007dca.bin
9d6ac55b3dba3512761fb3a8e5c3821069d664c17bbdcc692ed5e413bc7dd86c
pdf-font-stream PDF embedded font (sfnt) at offset 0x7DCA 10776 bytes