Malicious PDF — malware analysis report

Static analysis result for SHA-256 bbbfd43142b05e35…

MALICIOUS

PDF

49.5 KB Created: 2020-08-20 06:29:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6f38de38981b79acace95aa91ce6c5bf SHA-1: 2c94a1051087feeef62c26703c8b7e893f419ff8 SHA-256: bbbfd43142b05e3526cf0b8a06417d5d7662a24b683b83804dfcb6d4d1887f25
120 Risk Score

Malware Insights

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

The PDF contains a link farm and a critical redirector link pointing to traff.cc, indicating a malicious intent to redirect users. The document body, though heavily obfuscated, contains the same redirector URL and other PDF links, suggesting a lure for phishing or malware delivery. No scripts were extracted, limiting the analysis of specific execution behaviors.

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/pify?keyword=population+cartogram+world+crossword+answers
    • http://lileza.laplayaatthestrand.com/uploads/1/3/2/6/132680981/gumomuraxi.pdf
    • http://tizasajam.atexasgirlshome.com/uploads/1/3/1/6/131637316/2320051.pdf
    • http://files.wilcoxwellnessfitness.com/uploads/1/3/1/0/131070151/ac1ae596a1.pdf
    • http://vidanini.trinidadcf.org/uploads/1/3/1/4/131452890/3629813.pdf
    • https://cdn.shopify.com/s/files/1/0439/4260/9051/files/43603242043.pdf
    • https://cdn.shopify.com/s/files/1/0434/4355/2416/files/2262885475.pdf
    • https://cdn.shopify.com/s/files/1/0431/4929/5776/files/76581853150.pdf
    • https://cdn.shopify.com/s/files/1/0433/4387/2150/files/97442319822.pdf
    • https://cdn.shopify.com/s/files/1/0437/0015/8629/files/list_of_vocabulary_words_with_meaning.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mirogorozizodixomalejog.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jisabisagubimebusogapasof.pdf
    • https://cdn.shopify.com/s/files/1/0448/1702/3138/files/race_ethnicity_and_sexuality_nagel.pdf
    • https://cdn.shopify.com/s/files/1/0431/6001/0912/files/vilugovanudo.pdf
    • https://cdn.shopify.com/s/files/1/0428/8679/1334/files/p_l_and_balance_sheet_format.pdf
    • https://cdn.shopify.com/s/files/1/0437/6638/2749/files/best_arabic_keyboard_for_android_apk.pdf
    • https://cdn.shopify.com/s/files/1/0434/0695/0557/files/south_african_coin_catalogue.pdf
    • https://cdn.shopify.com/s/files/1/0430/6203/4589/files/st750lm022_hn-_m750mbb.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_off00007249.bin
f74c5582a549738ec3b75d6a0132ce217ace20cd3184af519348bb45215bd631
pdf-font-stream PDF embedded font (sfnt) at offset 0x7249 5368 bytes
font_01_sfnt_off00008473.bin
7e55b8101119345462a2fdb3090a73f3c6df8654f7a59cb2eceda5d54ec4e46c
pdf-font-stream PDF embedded font (sfnt) at offset 0x8473 11700 bytes
font_02_sfnt_off0000aaba.bin
9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2
pdf-font-stream PDF embedded font (sfnt) at offset 0xAABA 4324 bytes