Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6bd241bdd13a665…

MALICIOUS

PDF

58.4 KB Created: 2020-08-18 21:53:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9254c92e83fc82ced784bd6534ce6b6c SHA-1: 893565ac6bbbc74d9bc00547045f2002cdc8922c SHA-256: d6bd241bdd13a6653fbf4d1193ddbbac4b3950331d63e97d9db68918275b8ea5
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, many of which point to a link farm hosted on Shopify. One of the primary links directs to a known malicious redirector at 'ttraff.com'. This suggests the document is designed to lead users to malicious websites, likely for phishing or malware distribution. No scripts were extracted from this sample.

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=international+trade+balance+of+payments+pdf
    • http://files.goldenfleecefarm.com/uploads/1/3/0/9/130969004/detevi.pdf
    • http://wuvidav.meaganedgar.com/uploads/1/3/1/0/131070036/fd05304bfbcc81b.pdf
    • http://files.spikemilwaukeevbc.com/uploads/1/3/1/3/131378950/b9cda70663616.pdf
    • http://files.threecreekaussies.com/uploads/1/3/2/7/132710655/sujut.pdf
    • https://cdn.shopify.com/s/files/1/0433/7513/2824/files/82835091548.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/58829080427.pdf
    • https://cdn.shopify.com/s/files/1/0433/2116/3941/files/fajazuvekobenifefo.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/58933331969.pdf
    • https://cdn.shopify.com/s/files/1/0434/0429/6348/files/rewezelavanalufolajowunat.pdf
    • https://cdn.shopify.com/s/files/1/0435/4116/8283/files/tanopekemibibosakokab.pdf
    • https://cdn.shopify.com/s/files/1/0428/2174/6847/files/pilobufelawebujesi.pdf
    • https://cdn.shopify.com/s/files/1/0440/3747/2421/files/python_binary_search_tree.pdf
    • https://cdn.shopify.com/s/files/1/0429/4659/2924/files/9345322097.pdf
    • https://cdn.shopify.com/s/files/1/0434/3798/1852/files/hazards_in_sequential_circuits_and_combinational_circuits.pdf
    • https://cdn.shopify.com/s/files/1/0431/6214/0840/files/ropabezo.pdf
    • https://cdn.shopify.com/s/files/1/0435/5840/4245/files/wujupesalewuped.pdf
    • https://cdn.shopify.com/s/files/1/0433/9643/2021/files/wemegetoxijuriduzejofove.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_off0000a74b.bin
28cd5d0af42b2b33cd97dba1303d4c0c06eca64193d7705a79a0a0eb6e21ea8f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA74B 5480 bytes
font_01_sfnt_off0000b9ce.bin
a889a2a49e254acf60acdb6f6b55d9ccc44cf8027dc97d598255bc8dc583aa7b		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB9CE 10220 bytes

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