Malicious PDF — malware analysis report

Static analysis result for SHA-256 2942e8f01c2502cb…

MALICIOUS

PDF

59.4 KB Created: 2020-08-09 13:11:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 45370faae91f888c373ec2de93aef8c0 SHA-1: 3f2e4f6bdcb280ff694117de4d579bc8b98d5853 SHA-256: 2942e8f01c2502cb5e0c9854893c0744f13e2cda86627c2253a9b40f20cccdb6
120 Risk Score

Malware Insights

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

The PDF file contains numerous links, many of which point to external resources, suggesting a link farm or redirection strategy. One critical heuristic identified a link to a known malicious redirector, ttraff.com, which is presented to the user as a 'Brexit deal summary pdf'. This indicates a phishing or social engineering attempt to lure the user to malicious infrastructure. No scripts were extracted, limiting the analysis of further payload delivery or execution.

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=brexit+deal+summary+pdf
    • http://files.nicoleolsthoorn.com/uploads/1/3/0/7/130738714/filet.pdf
    • http://files.metrobaguio.com/uploads/1/3/1/3/131380120/6572807.pdf
    • http://files.parrellohara.com/uploads/1/3/0/8/130814346/bupugefabalap-xewoduwunexajug-fuzuretijes.pdf
    • http://files.professorjabbar.com/uploads/1/3/1/4/131437074/jadofipa.pdf
    • http://degakovi.michelle-turner.net/uploads/1/3/1/3/131380600/xepim-dodoxira.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tobilefoseparavako.pdf
    • https://cdn.shopify.com/s/files/1/0435/0076/5336/files/43443822324.pdf
    • https://cdn.shopify.com/s/files/1/0434/4990/9415/files/wejobud.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/39858795743.pdf
    • https://cdn.shopify.com/s/files/1/0436/3055/9390/files/38522043652.pdf
    • https://cdn.shopify.com/s/files/1/0434/8346/3832/files/fovuxojufaxotivimupa.pdf
    • https://cdn.shopify.com/s/files/1/0434/7750/0056/files/jakokafo.pdf
    • https://cdn.shopify.com/s/files/1/0429/5848/7703/files/zitamajexafapisikanuxa.pdf
    • https://cdn.shopify.com/s/files/1/0436/6155/7913/files/teteromuzomesabutexobijeb.pdf
    • https://cdn.shopify.com/s/files/1/0436/8000/6294/files/31266221315.pdf
    • https://cdn.shopify.com/s/files/1/0432/1493/0084/files/ejercicios_asientos_contables_resueltos.pdf
    • https://cdn.shopify.com/s/files/1/0436/4802/4741/files/original_book_of_mormon.pdf
    • https://cdn.shopify.com/s/files/1/0438/8772/2648/files/simple_english_grammar_free_download.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_off0000aac9.bin
ecce4f868691d1246de2785f83f4a09fbd25b9b51e03ea0bfebd97e4e3c03b28
pdf-font-stream PDF embedded font (sfnt) at offset 0xAAC9 5408 bytes
font_01_sfnt_off0000bd26.bin
3adf17fa99bbcad39009209d9addcbcc843d6e3f5d3d7cb3d914df303035e68d
pdf-font-stream PDF embedded font (sfnt) at offset 0xBD26 10376 bytes