Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e1bbce58b68bef6…

MALICIOUS

PDF

43.1 KB Created: 2020-08-17 13:07:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 54e0d4f57493198053ff18d9c73f7cc9 SHA-1: 79647f13ba02be9bb07a23591b7d107680c7615b SHA-256: 4e1bbce58b68bef6b52569e6f34180a986d8c19e4e996aae61fb46297117450a
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 pointing to Shopify domains, but one critical link directs to a known malicious redirector at 'ttraff.com'. The document body, though partially corrupted, contains text related to a 'loading screen simulator guide' and the malicious URL. This suggests the document is part of a link farm or SEO manipulation scheme, potentially leading to phishing or malware distribution.

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=loading+screen+simulator+guide
    • http://files.theunreached.blog/uploads/1/3/0/8/130874205/4296023.pdf
    • http://jixuzaz.isabelladavid.com/uploads/1/3/1/4/131411806/tukitodi_kogat_jexamupuliv_sobopewafolovu.pdf
    • http://files.curbcompost.org/uploads/1/3/1/4/131437987/9385788.pdf
    • https://cdn.shopify.com/s/files/1/0430/3598/4029/files/fazewezejovujiwixopodon.pdf
    • https://cdn.shopify.com/s/files/1/0431/5666/8565/files/kekebitek.pdf
    • https://cdn.shopify.com/s/files/1/0431/9327/0429/files/73306835411.pdf
    • https://cdn.shopify.com/s/files/1/0432/4858/2820/files/visezuz.pdf
    • https://cdn.shopify.com/s/files/1/0445/3462/8516/files/howard_stern_it_s_just_wrong.pdf
    • https://cdn.shopify.com/s/files/1/0437/7346/0641/files/lenorum.pdf
    • https://cdn.shopify.com/s/files/1/0435/0682/7428/files/youtube_webhook_discord.pdf
    • https://cdn.shopify.com/s/files/1/0437/1513/3605/files/sowakegovozosaduwuselexat.pdf
    • https://cdn.shopify.com/s/files/1/0436/0772/0094/files/xitafilovu.pdf
    • https://cdn.shopify.com/s/files/1/0434/9424/4516/files/41032856633.pdf
    • https://cdn.shopify.com/s/files/1/0432/4841/8973/files/73385054431.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000540b.bin
84948596c538eb0c75264adcd1585906e7aef368e5eda41bc3739700f28b493d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x540B 5200 bytes
font_01_sfnt_off0000659f.bin
d7a385142b217746992c7818bc8f8d3bdac97a18657248880c32a7746e5feb81		 pdf-font-stream PDF embedded font (sfnt) at offset 0x659F 10640 bytes
font_02_sfnt_off000089e3.bin
531e37f64a2e7dc3bfb257675d9e6c644c7b1597f33ba9a969cd005a7ed65660		 pdf-font-stream PDF embedded font (sfnt) at offset 0x89E3 16312 bytes

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