Malicious PDF — malware analysis report

Static analysis result for SHA-256 8a55488cc065422c…

MALICIOUS

PDF

50.2 KB Created: 2020-08-16 14:44:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7c418380ceb7ac9a407a2c555103fd34 SHA-1: 347145e317048b0488fb53340cdd9ef2a69482a7 SHA-256: 8a55488cc065422c26841b4bd06f8528b625c4df6fc7dce101211a7c1a2e326b
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 of which point to external PDF files hosted on Shopify. One of these links, however, leads to a known malicious redirector. The document body contains text related to 'answered prayer' and the URL itself, suggesting a lure to a potentially malicious site disguised as religious content. The primary attack vector appears to be social engineering via a malicious link.

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.ru/pify?keyword=answered+prayer+glorifies+god
    • http://files.pawsomewalksnj.com/uploads/1/3/1/6/131606984/07f8d3aed4.pdf
    • http://files.thespirallife.com/uploads/1/3/1/1/131164474/1241456.pdf
    • http://files.truelighthealingcenter.com/uploads/1/3/1/4/131437143/gavodigafif.pdf
    • https://cdn.shopify.com/s/files/1/0431/7957/3408/files/nkjv_bible_format.pdf
    • https://cdn.shopify.com/s/files/1/0434/0681/9493/files/98011582843.pdf
    • https://cdn.shopify.com/s/files/1/0434/8562/6520/files/80473132559.pdf
    • https://cdn.shopify.com/s/files/1/0432/2426/8968/files/importance_of_non_probability_sampling.pdf
    • https://cdn.shopify.com/s/files/1/0431/0577/9863/files/popejugifejesituwojugig.pdf
    • https://cdn.shopify.com/s/files/1/0434/1792/7837/files/48806817101.pdf
    • https://cdn.shopify.com/s/files/1/0437/6359/7466/files/44114375581.pdf
    • https://cdn.shopify.com/s/files/1/0435/2045/8906/files/27390727287.pdf
    • https://cdn.shopify.com/s/files/1/0434/0134/7226/files/12748095925.pdf
    • https://cdn.shopify.com/s/files/1/0430/2831/6313/files/soboronaradavovag.pdf
    • https://cdn.shopify.com/s/files/1/0429/8031/1203/files/fawanex.pdf
    • https://cdn.shopify.com/s/files/1/0434/7081/5397/files/gigotijezakisirokup.pdf
    • https://cdn.shopify.com/s/files/1/0434/5433/3093/files/pumakuke.pdf
    • https://cdn.shopify.com/s/files/1/0435/8511/0177/files/27686167838.pdf
    • https://cdn.shopify.com/s/files/1/0435/0718/7872/files/contrastive_analysis_vs_error_analysis.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_off000079db.bin
db2c518b8dd2cc0a81cfc78e2634479c0d5ad07d9f60700525f0cf27a22b1fd0
pdf-font-stream PDF embedded font (sfnt) at offset 0x79DB 5100 bytes
font_01_sfnt_off00008b42.bin
fd43bd19fcc4810710c33912e2f44d387489338d14f461a63a6460a076a3984b
pdf-font-stream PDF embedded font (sfnt) at offset 0x8B42 10036 bytes
font_02_sfnt_off0000ad90.bin
d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378
pdf-font-stream PDF embedded font (sfnt) at offset 0xAD90 4324 bytes