Malicious PDF — malware analysis report

Static analysis result for SHA-256 772514af58484012…

MALICIOUS

PDF

40.5 KB Created: 2020-08-03 10:44:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6c8dcb21845bf12c7ee23b70bfdd9456 SHA-1: e181b0b0ee0df16eb6643449bd0bd1ed9bc6185d SHA-256: 772514af58484012e3e403fb2cd62fc90285d0ef54838e613a393ffad02ea3fe
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to SEO-optimized PDF documents hosted on cdn.shopify.com. One of the primary links directs to a known malicious redirector at 'ttraff.ru', which is likely intended to lead the user to a malicious payload or phishing site. The document body contains garbled text but includes the target URL and a seemingly unrelated song title, suggesting a deceptive lure.

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.ru/pify?keyword=invincible+lyrics+machine+gun+kelly
    • http://files.aliandreali.com/uploads/1/3/2/3/132303001/wekini_tonizifojanewuz.pdf
    • http://files.michelyn.com/uploads/1/3/1/3/131398362/4989453.pdf
    • http://files.unitedshaolinkempokarate.com/uploads/1/3/2/6/132695445/sebat.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dojezurin.pdf
    • https://cdn.shopify.com/s/files/1/0434/0744/2072/files/56110854915.pdf
    • https://cdn.shopify.com/s/files/1/0428/5290/9212/files/asus_merlin_forum.pdf
    • https://cdn.shopify.com/s/files/1/0433/5131/0488/files/kefamojadisakoguxix.pdf
    • https://cdn.shopify.com/s/files/1/0438/3706/3328/files/liditefazibuxasoru.pdf
    • https://cdn.shopify.com/s/files/1/0431/6587/6379/files/53403935321.pdf
    • https://cdn.shopify.com/s/files/1/0435/0250/2054/files/2016_honda_odyssey_manual.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/19941062624.pdf
    • https://cdn.shopify.com/s/files/1/0431/3110/9540/files/70481321947.pdf
    • https://cdn.shopify.com/s/files/1/0436/2688/9378/files/kewofuxuratexibedo.pdf
    • https://cdn.shopify.com/s/files/1/0435/1872/2207/files/17753690990.pdf
    • https://cdn.shopify.com/s/files/1/0433/7870/4536/files/rumavazudajed.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_off000060b8.bin
6b52a66f77e71b96fd08dd9d3280c2e0a0f1e86b18b53d409f41b5c7a43e936e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x60B8 5516 bytes
font_01_sfnt_off0000735d.bin
2a893abc3e80f3fdaed4eacfcbd886fc8ca7684af695214db777bc2aee996e4e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x735D 9900 bytes

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