Malicious PDF — malware analysis report

Static analysis result for SHA-256 5222323de2dcd988…

MALICIOUS

PDF

42.7 KB Created: 2020-08-13 23:08:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 465e9720a7c478c9f072f9a7f0bebb7b SHA-1: 03e4e0b35242289870f83efa9c8e91d3d654caa1 SHA-256: 5222323de2dcd9887bab2eb10a817951b7e5eb50bc550abf21ee9c85d3cea466
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.cc'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, many hosted on Shopify. The document body, though heavily obfuscated, contains the same malicious URL. The primary attack vector appears to be social engineering through a seemingly legitimate document to trick users into visiting a malicious URL.

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.cc/wb?keyword=telemecanique%20altivar%2011%20manuale%20italiano
    • http://wofasura.jaeceeraeofsunshine.org/uploads/1/3/0/8/130814011/4195491.pdf
    • http://files.dahianatorres.com/uploads/1/3/0/9/130970008/mewoku.pdf
    • http://files.mrsgarritysroom003.com/uploads/1/3/0/7/130776158/wazifuda_zoduvuv.pdf
    • http://files.georgeinformationaltechnology.com/uploads/1/3/1/4/131437484/vojow-sidemumiz-pewefedugak.pdf
    • https://cdn.shopify.com/s/files/1/0429/9105/9097/files/gol_luigi_garlando.pdf
    • https://cdn.shopify.com/s/files/1/0434/7353/5138/files/54285857471.pdf
    • https://cdn.shopify.com/s/files/1/0432/9612/9192/files/propiedades_de_angulos_entre_rectas_paralelas.pdf
    • https://cdn.shopify.com/s/files/1/0441/2017/8840/files/91379012546.pdf
    • https://cdn.shopify.com/s/files/1/0432/7974/5192/files/65631580397.pdf
    • https://cdn.shopify.com/s/files/1/0434/1281/6026/files/67709742222.pdf
    • https://cdn.shopify.com/s/files/1/0429/9977/5381/files/65656683632.pdf
    • https://cdn.shopify.com/s/files/1/0428/5366/2883/files/the_killers_human.pdf
    • https://cdn.shopify.com/s/files/1/0438/4718/8640/files/vonovivedajasekuvodu.pdf
    • https://cdn.shopify.com/s/files/1/0432/3596/7143/files/88379409708.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/suxuteregejo.pdf
    • https://cdn.shopify.com/s/files/1/0430/2356/4957/files/34427510363.pdf
    • https://cdn.shopify.com/s/files/1/0430/4365/1741/files/wozewokesixujufo.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/
    • https://cdn.shopify.com/s/files/1/0430/4365/1741/files/wozewok

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005d14.bin
fde90352ef28a480b9e2818958b4849736918799708fcd25ca516ee0838bcfc6
pdf-font-stream PDF embedded font (sfnt) at offset 0x5D14 4836 bytes
font_01_sfnt_off00006d6e.bin
f51e7955af18124cb2380b036f9f7046c51163fb5451443ba524c77aedcbbc96
pdf-font-stream PDF embedded font (sfnt) at offset 0x6D6E 10144 bytes
font_02_sfnt_off00008f97.bin
ad623bc7c681097dfa1224999cf6cc6072d3ca9a137655dc1129b0261f0b357c
pdf-font-stream PDF embedded font (sfnt) at offset 0x8F97 4324 bytes