Malicious PDF — malware analysis report

Static analysis result for SHA-256 ad7027ae3359098d…

MALICIOUS

PDF

46.1 KB Created: 2020-08-06 04:24:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b9a79d82b2b25bbd81ec7caca0a92ea1 SHA-1: 3f60eae9d91c0b6f6be652d0488b120e4558e4d1 SHA-256: ad7027ae3359098d680746782105b2659c9c359a3a5c41a63e5adc812e158b5c
150 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=arabic+english+translator+pdf'. This indicates the document's primary purpose is to redirect users to malicious infrastructure under the guise of a translator tool. The presence of numerous other PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to increase visibility. No scripts were extracted, but the malicious redirector is a strong indicator of a phishing or scam attempt.

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=arabic+english+translator+pdf
    • http://gobovi.parkhurstbrothers.com/uploads/1/3/2/8/132814989/rabupuwu.pdf
    • http://files.theceramicsartsstudio.com/uploads/1/3/1/4/131437438/wuritego.pdf
    • http://files.jazzrecordartcollective.com/uploads/1/3/1/6/131637240/3ad686a3bb8cbd.pdf
    • http://files.infralinx.org/uploads/1/3/1/0/131069812/1844013.pdf
    • https://cdn.shopify.com/s/files/1/0428/1748/7011/files/19735469923.pdf
    • https://cdn.shopify.com/s/files/1/0433/7103/6835/files/jexozifisesetopulun.pdf
    • https://cdn.shopify.com/s/files/1/0438/4591/0678/files/botox_application.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/ruketisoren.pdf
    • https://cdn.shopify.com/s/files/1/0431/4356/1376/files/dedizodulaturadewefaxivix.pdf
    • https://cdn.shopify.com/s/files/1/0431/4241/4492/files/45077615964.pdf
    • https://cdn.shopify.com/s/files/1/0428/5625/1559/files/warivimo.pdf
    • https://cdn.shopify.com/s/files/1/0436/8482/3205/files/75838324919.pdf
    • https://cdn.shopify.com/s/files/1/0433/9774/2750/files/fawotujoletamu.pdf
    • https://cdn.shopify.com/s/files/1/0431/3464/8474/files/vegagat.pdf
    • https://cdn.shopify.com/s/files/1/0435/5093/3156/files/vodaxefojoragujilu.pdf
    • https://cdn.shopify.com/s/files/1/0430/5630/0186/files/retujipokadowivokuvexad.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_off0000693a.bin
13e895d56d1622f651fe5130deaa72f5671ad205da0a82dc4388df8d0921b265
pdf-font-stream PDF embedded font (sfnt) at offset 0x693A 5332 bytes
font_01_sfnt_off00007b41.bin
a567e3707962638ca2990c5cc2d9fdb35c58645bb0811a22ba9fbd60a01f1d3a
pdf-font-stream PDF embedded font (sfnt) at offset 0x7B41 10028 bytes
font_02_sfnt_off00009d84.bin
9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2
pdf-font-stream PDF embedded font (sfnt) at offset 0x9D84 4324 bytes