Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3a0097b1d31dbf3…

MALICIOUS

PDF

36.3 KB Created: 2020-08-02 16:27:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4048b571c202c6f6bbcc637e842e7cda SHA-1: 9b5d4baef3338ddd5f31cae4cfd94747b3ed913f SHA-256: d3a0097b1d31dbf3aa815b807c2d308564c58906c272dffb50115b204ae28aa9
120 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, ttraff.com, disguised as song lyrics. This suggests a phishing or social engineering attack aimed at redirecting users to malicious content. The PDF also hosts a large number of other PDF files on Shopify, likely for SEO manipulation to increase visibility. No scripts were extracted, but the primary malicious activity is the redirection to the ttraff.com URL.

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=ain%2527+t+no+sunshine+lyrics+and+chords
    • http://files.spaceliftinteriordesign.com/uploads/1/3/1/4/131409755/1776386.pdf
    • http://files.sonjayounger.com/uploads/1/3/0/7/130775053/wotawap_mikusiperi_navazamumusu.pdf
    • http://files.bonnieyoungdesigns.com/uploads/1/3/2/3/132303024/popilonem-goxiverujeve.pdf
    • http://files.jenjake.com/uploads/1/3/1/4/131454733/75980ef.pdf
    • https://cdn.shopify.com/s/files/1/0438/7789/2251/files/40405938916.pdf
    • https://cdn.shopify.com/s/files/1/0428/1391/5303/files/zowagonaborumedov.pdf
    • https://cdn.shopify.com/s/files/1/0430/9309/8660/files/pesiraxavojejeweve.pdf
    • https://cdn.shopify.com/s/files/1/0433/7015/2088/files/86967698862.pdf
    • https://cdn.shopify.com/s/files/1/0429/5468/6620/files/84438187766.pdf
    • https://cdn.shopify.com/s/files/1/0432/2902/0317/files/75709200003.pdf
    • https://cdn.shopify.com/s/files/1/0434/6498/2693/files/35092176924.pdf
    • https://cdn.shopify.com/s/files/1/0431/5290/0250/files/keduxuzasadef.pdf
    • https://cdn.shopify.com/s/files/1/0433/5756/9176/files/82729959246.pdf
    • https://cdn.shopify.com/s/files/1/0438/0554/0509/files/ribobijedi.pdf
    • https://cdn.shopify.com/s/files/1/0441/1123/3176/files/47579001139.pdf
    • https://cdn.shopify.com/s/files/1/0440/5883/7142/files/code_geass_torrent.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/30106301206.pdf
    • https://cdn.shopify.com/s/files/1/0436/0021/6232/files/82778513979.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_off0000499c.bin
beef9bb43945a988ab0428d229ae0f7f38ad54640399cf963318538854eb3663		 pdf-font-stream PDF embedded font (sfnt) at offset 0x499C 5152 bytes
font_01_sfnt_off00005b26.bin
23e9ee10ba39bbb399bae250f5d0db55fbed5ef5e4fe15df4e46a422fce2aa22		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B26 13156 bytes

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