Malicious PDF — malware analysis report

Static analysis result for SHA-256 acb32a69807f3a30…

MALICIOUS

PDF

32.7 KB Created: 2020-09-16 21:37:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 53ca0f39916a9f454636595bb7af9e8c SHA-1: dfe14c4ccefec9783f425df07d88f7d85f86103b SHA-256: acb32a69807f3a30406920dfc90a780d3b327ee6099fafe87a876112ea5fbe27
120 Risk Score

Malware Insights

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

The PDF file contains a link farm, with one critical heuristic firing indicating a link to known malicious redirector infrastructure. The primary malicious URL identified is https://ttraff.me/wix?keyword=panasonic+dmr-ez27eb-k+manual. The document body appears to be corrupted or obfuscated, but the presence of multiple links suggests an attempt to drive traffic to malicious sites, potentially for phishing or malware distribution.

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.me/wix?keyword=panasonic+dmr-ez27eb-k+manual
    • http://files.londonscholarsacademy.com/uploads/1/3/1/3/131379181/9053721.pdf
    • http://bejuvoz.jeffreytlowell.com/uploads/1/3/2/7/132740228/sukipada.pdf
    • http://files.valleeassociatesinpsychology.com/uploads/1/3/1/6/131606330/daxol.pdf
    • https://cdn.shopify.com/s/files/1/0433/3443/4969/files/datasheet_arduino_mega_2560_r3.pdf
    • https://cdn.shopify.com/s/files/1/0430/7383/1073/files/dopofaxuwetevenigudizale.pdf
    • https://cdn.shopify.com/s/files/1/0437/5969/8077/files/bomutagoboruk.pdf
    • https://cdn.shopify.com/s/files/1/0482/9066/0513/files/7336453944.pdf
    • https://74936539-5713-45eb-9f9a-d2a2f4be7ac6.filesusr.com/ugd/911c12_e9859a0615154e808df263a38765d0dd.pdf?index=true
    • https://335e363d-784f-4ef2-b1ef-9d7eb5bc7f28.filesusr.com/ugd/7baf93_8b819da34d3049e4b376f6c4b02b58a4.pdf?index=true
    • https://4b9ccea8-d2f4-444a-8dea-a25e97608c5d.filesusr.com/ugd/bb05c1_ffa22b07db964c6aa15affd0b64db365.pdf?index=true
    • https://324d16b7-7967-446d-aa13-5973fe01d994.filesusr.com/ugd/c8683e_d4ca0a5f27f144f1bebaddcc9034ef52.pdf?index=true
    • https://cdn.shopify.com/s/files/1/0470/6703/7864/files/addition_and_subtraction_of_polynomials_worksheet_for_grade_7.pdf
    • https://cdn.shopify.com/s/files/1/0427/8039/3639/files/michael_beckwith_books.pdf
    • https://cdn.shopify.com/s/files/1/0432/5310/4790/files/61862057139.pdf
    • https://cdn.shopify.com/s/files/1/0430/6593/3973/files/cfa_level_1_curriculum_download.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004403.bin
ffbbf80bcd5008936a6a3ad6b0d62281dd57ed53934f0a16e30a2b5aad2537a6
pdf-font-stream PDF embedded font (sfnt) at offset 0x4403 5584 bytes
font_01_sfnt_off000056fe.bin
6f7f130fa56ecb67580b93c4399f1c3c57eb6e25cf9f0d8aebfa279ade2be2a0
pdf-font-stream PDF embedded font (sfnt) at offset 0x56FE 9104 bytes