Malicious PDF — malware analysis report

Static analysis result for SHA-256 243a2c44c7bf08e3…

MALICIOUS

PDF

48.6 KB Created: 2020-08-12 07:22:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5374c44f30b78fa1fde7b5e2fd5e4fa2 SHA-1: a92cd93886fd66199b117a834d99bd7755460cc5 SHA-256: 243a2c44c7bf08e3bd2a45c1e3b7eb213520cdae46539b90c159113a6b9c7034
120 Risk Score

Malware Insights

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

The PDF contains numerous links, with one critical heuristic identifying it as a malicious redirector. The primary malicious URL, 'https://ttraff.com/pify?keyword=law+of+attraction+quantum+physics+pdf', is designed to redirect users to potentially harmful content. The document body, though heavily obfuscated, contains references to this URL and other Shopify links, suggesting a lure to download further malicious content. The presence of multiple PDF links points to a link farm strategy to distribute malicious payloads.

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=law+of+attraction+quantum+physics+pdf
    • http://files.patricedworkinart.com/uploads/1/3/0/8/130813511/461915.pdf
    • http://files.jocampbellnz.com/uploads/1/3/2/6/132695339/628186.pdf
    • http://files.bondosaka.com/uploads/1/3/2/6/132682342/5770822.pdf
    • http://bataten.oldcountryleather.com/uploads/1/3/2/8/132814930/jomorar.pdf
    • http://files.sundayschoolbiblelessonsforkids.com/uploads/1/3/0/9/130969080/70c4be97.pdf
    • https://cdn.shopify.com/s/files/1/0429/9980/8149/files/ripidigiwiposag.pdf
    • https://cdn.shopify.com/s/files/1/0430/3683/5993/files/bruchrechnung_erklrung.pdf
    • https://cdn.shopify.com/s/files/1/0435/6803/8049/files/budetaxaraxonogodaz.pdf
    • https://cdn.shopify.com/s/files/1/0438/2710/1853/files/kerazadepebezumo.pdf
    • https://cdn.shopify.com/s/files/1/0433/0032/3478/files/mumofitepajemexiwopepe.pdf
    • https://cdn.shopify.com/s/files/1/0434/3313/2184/files/kiara_mia_escort.pdf
    • https://cdn.shopify.com/s/files/1/0431/6597/4690/files/57090489220.pdf
    • https://cdn.shopify.com/s/files/1/0435/7236/3432/files/aprender_a_leer_musica_desde_cero.pdf
    • https://cdn.shopify.com/s/files/1/0431/0145/4500/files/antropoloji_kitaplar.pdf
    • https://cdn.shopify.com/s/files/1/0429/8414/5049/files/wagabufixufefax.pdf
    • https://cdn.shopify.com/s/files/1/0434/5731/4977/files/95114245385.pdf
    • https://cdn.shopify.com/s/files/1/0436/9462/0837/files/buzadurezedereguzuzi.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_off000070b1.bin
963862bf19700ead610ec425852f31bb51ff3e52f6c4027ea53630a9141a3264
pdf-font-stream PDF embedded font (sfnt) at offset 0x70B1 5388 bytes
font_01_sfnt_off000082e6.bin
14d13c16767bcb8e4b091ef65cbaf25b061e9af9a42a098fdfdf09a613df2bba
pdf-font-stream PDF embedded font (sfnt) at offset 0x82E6 10048 bytes
font_02_sfnt_off0000a54c.bin
1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e
pdf-font-stream PDF embedded font (sfnt) at offset 0xA54C 4324 bytes