Malicious PDF — malware analysis report

Static analysis result for SHA-256 326c277b72e86cec…

MALICIOUS

PDF

45.1 KB Created: 2020-08-08 08:03:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: f10c9bdd96d5640b10a04b0b3b96e1f0 SHA-1: 24398807a18d4c1169052b499a634b21445762f7 SHA-256: 326c277b72e86cecaa7333ab7e30c0d834a85361e86afefe30aa9b291733ba0d
142 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=aluminizing+process+pdf'. Additionally, it exhibits a PDF link farm heuristic, with numerous external links, many hosted on shopify.com. The document body also contains the malicious URL and appears to be a lure, possibly for a callback phishing or tech-support scam, as indicated by the 'SE_CALLBACK_LURE' heuristic.

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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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=aluminizing+process+pdf
    • http://files.senorashby.com/uploads/1/3/0/7/130739415/7856015.pdf
    • http://files.isobelchurch.com/uploads/1/3/1/1/131163980/6767069.pdf
    • http://files.northernohiometalroofing.com/uploads/1/3/1/3/131398134/xubutanofebinumulot.pdf
    • http://vodapi.msmagnosjcs.com/uploads/1/3/0/7/130776208/pedavevet_guzase_mafeko_zanavipovelu.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nojigepinipefonumupitos.pdf
    • https://cdn.shopify.com/s/files/1/0433/7002/1014/files/pofegugaromagixulitod.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/38692385895.pdf
    • https://cdn.shopify.com/s/files/1/0429/6710/5687/files/nirvana_bleach_tab_book.pdf
    • https://cdn.shopify.com/s/files/1/0427/6781/0726/files/49771607132.pdf
    • https://cdn.shopify.com/s/files/1/0438/3604/7522/files/certificat_de_vente_cerfa.pdf
    • https://cdn.shopify.com/s/files/1/0439/3598/9928/files/sukigojesamubegapil.pdf
    • https://cdn.shopify.com/s/files/1/0429/3551/7337/files/porunagitakagekutuje.pdf
    • https://cdn.shopify.com/s/files/1/0434/5102/3510/files/zazote.pdf
    • https://cdn.shopify.com/s/files/1/0434/0491/8941/files/33650233212.pdf
    • https://cdn.shopify.com/s/files/1/0427/6604/1244/files/sonewepezeromidejage.pdf
    • https://cdn.shopify.com/s/files/1/0427/9376/2975/files/81425297433.pdf
    • https://cdn.shopify.com/s/files/1/0435/9438/3522/files/baciloscopia_de_escarro.pdf
    • https://cdn.shopify.com/s/files/1/0433/3066/6651/files/knock_knee_exercise.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_off00007249.bin
5460fef9dc9fafd6b7e0193c191115381b5b5893675cdcb936d20c339606a58d
pdf-font-stream PDF embedded font (sfnt) at offset 0x7249 5304 bytes
font_01_sfnt_off00008454.bin
93355d3e3862be4f03b2139bc98a031dfc825ac2d218f574ac099d4f0acc7ead
pdf-font-stream PDF embedded font (sfnt) at offset 0x8454 10140 bytes