Malicious PDF — malware analysis report

Static analysis result for SHA-256 1a047eb6b4ae240e…

MALICIOUS

PDF

44.6 KB Created: 2020-08-02 13:26:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 94749fb81b99604579992dc0b62ed8a6 SHA-1: b678292af150039c86ee8443f5b11296ba53a932 SHA-256: 1a047eb6b4ae240e9f4550d0f8a7d6caf57118c0a499f3c5d3e17f299cee5504
128 Risk Score

Malware Insights

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

The PDF contains a high number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at ttraff.com. The presence of a 'download' lure further supports the malicious intent. No scripts were extracted, but the link farm and redirector suggest a phishing or malware distribution attempt.

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=craftsman+yt4000+parts
    • http://files.philthyturtle.com/uploads/1/3/0/7/130776250/9344177.pdf
    • http://files.alexandrajosutton.com/uploads/1/3/2/6/132681164/6211900.pdf
    • http://files.dipinsonaultoriginals.com/uploads/1/3/1/4/131437728/doworara-rawopem-budifogonegaroz.pdf
    • http://files.lailaiorlando.com/uploads/1/3/2/7/132741169/ef36467b775ada4.pdf
    • http://files.aetax.net/uploads/1/3/2/7/132710603/wamav-nalamilavekegix-fakatepum.pdf
    • https://cdn.shopify.com/s/files/1/0435/9382/6463/files/totenurewuligimixibuzelev.pdf
    • https://cdn.shopify.com/s/files/1/0428/5900/4070/files/nifujodilujiwelo.pdf
    • https://cdn.shopify.com/s/files/1/0434/5892/0605/files/57329169486.pdf
    • https://cdn.shopify.com/s/files/1/0431/8222/7617/files/laniwi.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/riginijulu.pdf
    • https://cdn.shopify.com/s/files/1/0439/2825/6680/files/30433742580.pdf
    • https://cdn.shopify.com/s/files/1/0428/7037/4559/files/13548445132.pdf
    • https://cdn.shopify.com/s/files/1/0430/8307/1650/files/lodakosogexipijewob.pdf
    • https://cdn.shopify.com/s/files/1/0429/2041/1289/files/tudetimaduniwuze.pdf
    • https://cdn.shopify.com/s/files/1/0433/3184/6296/files/9755974504.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pekazojifedabefotekufof.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_off00007048.bin
e894cb98bbb3ea95e92dd8294489635cf84ac9a138e6b1425dd97042b0e52d6a
pdf-font-stream PDF embedded font (sfnt) at offset 0x7048 5252 bytes
font_01_sfnt_off0000821b.bin
add121f2038a22c05a6302dc4a0fba5c616ad7db6105d4452c682a7864bc6dab
pdf-font-stream PDF embedded font (sfnt) at offset 0x821B 10512 bytes