Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb3e7f6f608c126f…

MALICIOUS

PDF

62.1 KB Created: 2020-07-31 18:05:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7d1fc55af608f5b9ded27b9289244029 SHA-1: 9f4c61b8504062259b53414d84b6dd4bb47fd98d SHA-256: eb3e7f6f608c126f21e671f1b0a50a3f7c9e3e8c3e4db9ef8415df4e5489c13e
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=pover+director+10'. Additionally, the PDF exhibits characteristics of a link farm, embedding numerous external links, many of which are hosted on shopify.com. The document body, though heavily obfuscated, contains the same redirector URL. This suggests a phishing or scam attempt designed to redirect users to malicious infrastructure.

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=pover+director+10
    • http://files.drivertraininggoforit.com/uploads/1/3/1/8/131856649/tivokipivakow.pdf
    • http://files.rehobothchildrenstheatre.org/uploads/1/3/0/8/130814931/gawosojepadulo.pdf
    • http://files.mayapurtrip.com/uploads/1/3/1/8/131856430/dozatofidudekim.pdf
    • https://cdn.shopify.com/s/files/1/0427/8072/1311/files/54792872008.pdf
    • https://cdn.shopify.com/s/files/1/0434/6278/7237/files/80388869275.pdf
    • https://cdn.shopify.com/s/files/1/0431/3936/7061/files/gulagifexuwijajazizimak.pdf
    • https://cdn.shopify.com/s/files/1/0436/2610/2947/files/texudufaseneru.pdf
    • https://cdn.shopify.com/s/files/1/0433/5520/9879/files/vafamiparapesakamuvojoduv.pdf
    • https://cdn.shopify.com/s/files/1/0429/5789/7882/files/begilaw.pdf
    • https://cdn.shopify.com/s/files/1/0433/0278/1083/files/dinotevebegugitiwukatu.pdf
    • https://cdn.shopify.com/s/files/1/0430/2631/7473/files/kokatotixoze.pdf
    • https://cdn.shopify.com/s/files/1/0438/4171/6389/files/65483652122.pdf
    • https://cdn.shopify.com/s/files/1/0429/8155/6375/files/jebawijoxabagasulubevim.pdf
    • https://cdn.shopify.com/s/files/1/0434/0734/3772/files/44950560736.pdf
    • https://cdn.shopify.com/s/files/1/0438/9906/0376/files/72337802129.pdf
    • https://cdn.shopify.com/s/files/1/0430/2422/0321/files/72511928618.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/
    • https://cdn.shopify.com/s/files/1/0433/5520/9879/files/v

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b695.bin
f5078166ddf1e0fb3e28a690a7c05e2ed52d89630401a724e6103b0406c8391a		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB695 4768 bytes
font_01_sfnt_off0000c6e9.bin
4d0edfa23a8c8c0d5e1ac18fbded2371b2a798bd7948a5915bcfc0cdc8acd4cd		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC6E9 10672 bytes

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