Malicious PDF — malware analysis report

Static analysis result for SHA-256 2fd320c08aca785b…

MALICIOUS

PDF

49.0 KB Created: 2020-08-10 00:32:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b96ad08d657aa24860da2c480c67b165 SHA-1: 3f472a977daaf1d46a78f34465e789e7230454cd SHA-256: 2fd320c08aca785b84685a9b908c5cbd1a946edb37dec76ef88a50212fe3cf04
150 Risk Score

Malware Insights

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

This PDF file contains numerous embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains the same malicious URL. This suggests the PDF is designed to redirect users to malicious content, likely for phishing or malware distribution.

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.com/pify?keyword=belt+conveyor+project+pdf
    • http://bisib.joesfinecoffee.com/uploads/1/3/0/8/130813866/5537235.pdf
    • http://files.rejuvenateconsultant.com/uploads/1/3/1/6/131606486/7975200.pdf
    • http://files.jacobtrimble.com/uploads/1/3/0/7/130774990/bozarifidasup-vixafido-delad-xekidanijumok.pdf
    • http://files.iframi.fr/uploads/1/3/0/9/130969966/vadezedume-polarinasipu-ferujoseve-futanisizavulo.pdf
    • http://jupeze.nycmoneymavens.com/uploads/1/3/1/4/131406202/2193654.pdf
    • https://cdn.shopify.com/s/files/1/0435/1482/2811/files/topixifebaverafutus.pdf
    • https://cdn.shopify.com/s/files/1/0436/2888/8227/files/annihilation_vandermeer.pdf
    • https://cdn.shopify.com/s/files/1/0428/8158/1209/files/98463525264.pdf
    • https://cdn.shopify.com/s/files/1/0431/7839/3762/files/fury_warrior_talents_classic.pdf
    • https://cdn.shopify.com/s/files/1/0434/6265/6157/files/pixikavixuzilanug.pdf
    • https://cdn.shopify.com/s/files/1/0436/2108/9444/files/tipos_de_cancer_de_mama_2020.pdf
    • https://cdn.shopify.com/s/files/1/0438/5731/3957/files/basic_life_support_manual_american_heart_association.pdf
    • https://cdn.shopify.com/s/files/1/0430/4021/1105/files/voluxavofumebonunigije.pdf
    • https://cdn.shopify.com/s/files/1/0433/4164/3928/files/10217988373.pdf
    • https://cdn.shopify.com/s/files/1/0431/2917/6232/files/nerc_cip_version_5.pdf
    • https://cdn.shopify.com/s/files/1/0440/4091/3061/files/32890375712.pdf
    • https://cdn.shopify.com/s/files/1/0434/2182/7222/files/98548390257.pdf
    • https://cdn.shopify.com/s/files/1/0452/6971/3058/files/wisitaw.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_off000082c6.bin
56e78e3f45e621e92a4ff0ef44e4bf446b6e325d48ed00b9e85b6c1460af976f
pdf-font-stream PDF embedded font (sfnt) at offset 0x82C6 5048 bytes
font_01_sfnt_off00009420.bin
c77fd640107da006846fcb33153ea2aa9645802987e10b6aacc93aa36d58e7a1
pdf-font-stream PDF embedded font (sfnt) at offset 0x9420 10140 bytes