Malicious PDF — malware analysis report

Static analysis result for SHA-256 e980a76c623f2043…

MALICIOUS

PDF

67.1 KB Created: 2020-08-05 12:38:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7e2246246c191567ee132f5e8ea818b2 SHA-1: 404f70dede64303b783d8ba5145ebee7266861c9 SHA-256: e980a76c623f2043f23c3fdd45ecac1efd5ed57db6f2a839770d9b8e7b4214cb
120 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with a critical heuristic firing indicating a malicious redirector. The document body, though heavily obfuscated, contains a URL that points to a redirector service. This suggests the primary goal is to redirect the user to malicious infrastructure, likely for further exploitation or credential harvesting.

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=blackbody+radiation+pdf
    • http://files.angelicastrologymagic.com/uploads/1/3/0/9/130969312/515c125ea34.pdf
    • http://files.altarwind.com/uploads/1/3/1/3/131380600/a5b7a2c015045.pdf
    • http://files.appassionare.com/uploads/1/3/1/0/131070792/kalugedalewiwo.pdf
    • http://files.triyogadueren.com/uploads/1/3/2/8/132815181/buredesow-bifexesozitoxe-xigivig.pdf
    • http://rotuvotar.theosophicalsocietydurhamcentre.com/uploads/1/3/1/4/131438079/0254666ce6a04.pdf
    • https://cdn.shopify.com/s/files/1/0428/7945/1289/files/85972780092.pdf
    • https://cdn.shopify.com/s/files/1/0435/8320/9631/files/tiparorexiladux.pdf
    • https://cdn.shopify.com/s/files/1/0434/1451/9966/files/49778578284.pdf
    • https://cdn.shopify.com/s/files/1/0437/5845/2897/files/1995_ford_f150_repair_manual.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/34597476450.pdf
    • https://cdn.shopify.com/s/files/1/0432/0568/9499/files/zusavewokuwegajekevinat.pdf
    • https://cdn.shopify.com/s/files/1/0429/3486/1987/files/51849215447.pdf
    • https://cdn.shopify.com/s/files/1/0439/1501/8392/files/air_pollution_in_english.pdf
    • https://cdn.shopify.com/s/files/1/0430/8513/6021/files/7584872763.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/38935964995.pdf
    • https://cdn.shopify.com/s/files/1/0429/5183/5811/files/batepomonofanewufetetote.pdf
    • https://cdn.shopify.com/s/files/1/0431/4667/4336/files/18700074059.pdf
    • https://cdn.shopify.com/s/files/1/0430/8231/7978/files/fipod.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_off0000aa80.bin
6c009bffdc564f4bd5a721e1a784ecbbb391340675436221cd6ca22acfb2e3fc
pdf-font-stream PDF embedded font (sfnt) at offset 0xAA80 5328 bytes
font_01_sfnt_off0000bcb7.bin
ab9a572ac483133e4a242d57940ae7c70ce207dd8d82e6e041ae333a494542e4
pdf-font-stream PDF embedded font (sfnt) at offset 0xBCB7 13816 bytes
font_02_sfnt_off0000e8c4.bin
9327745f15d04867ad3115ae83d05a7138f4817c5bebf634d4572c12672be307
pdf-font-stream PDF embedded font (sfnt) at offset 0xE8C4 16512 bytes