Malicious PDF — malware analysis report

Static analysis result for SHA-256 e707d4cb12a0eaf3…

MALICIOUS

PDF

44.3 KB Created: 2020-08-05 15:28:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 0c4714e9b3d82e2b68f63a72619890cd SHA-1: a5401867b45230c6147293487fa4c25353abcf44 SHA-256: e707d4cb12a0eaf308e825ac4d541b5123aab5299797b64a0fb5d24af521d46c
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a lure related to payment or routing information, directing the user to click on a link. This link, 'https://ttraff.cc/pify?keyword=routing+protocol+rip+pdf', leads to a known malicious redirector. The document also hosts a large number of external PDF links, many hosted on Shopify, which is a tactic to manipulate search engine results or distribute content. No scripts were extracted, but the primary malicious action appears to be the redirection via the embedded link.

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.
  • Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
    Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise 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=routing+protocol+rip+pdf
    • http://files.weldcountymeatgoats.com/uploads/1/3/0/7/130775652/8b18eb42e7.pdf
    • http://files.robirie.com/uploads/1/3/1/4/131410007/4828545.pdf
    • http://files.juliebakerconsultancy.com/uploads/1/3/1/1/131163878/nejake-disumisamorigob.pdf
    • https://cdn.shopify.com/s/files/1/0428/0074/2567/files/14622300074.pdf
    • https://cdn.shopify.com/s/files/1/0431/3497/6157/files/xulomefixubirefivevotox.pdf
    • https://cdn.shopify.com/s/files/1/0432/6827/6384/files/puzusiwafawozez.pdf
    • https://cdn.shopify.com/s/files/1/0431/2514/5760/files/99151668790.pdf
    • https://cdn.shopify.com/s/files/1/0431/9150/0961/files/bitubo.pdf
    • https://cdn.shopify.com/s/files/1/0430/6426/2818/files/64424730905.pdf
    • https://cdn.shopify.com/s/files/1/0431/2458/8701/files/28233307041.pdf
    • https://cdn.shopify.com/s/files/1/0432/1827/2423/files/simur.pdf
    • https://cdn.shopify.com/s/files/1/0428/0962/2691/files/44685114816.pdf
    • https://cdn.shopify.com/s/files/1/0433/0032/3478/files/engineering_economy_9th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0435/1760/8090/files/luminarias_led_alumbrado_publico.pdf
    • https://cdn.shopify.com/s/files/1/0432/0008/6175/files/88075615303.pdf
    • https://cdn.shopify.com/s/files/1/0436/1119/3501/files/63333213968.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_off000070c5.bin
2eab2583446e36187258bf2ef7cedec5eae7f661f3991cd51e692775afa56fef
pdf-font-stream PDF embedded font (sfnt) at offset 0x70C5 4940 bytes
font_01_sfnt_off000081b2.bin
5c59f15d763014e1fceda3940910d242a9e5f9a2478b4b9101be2f0913a0e719
pdf-font-stream PDF embedded font (sfnt) at offset 0x81B2 10196 bytes