Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb7faf82c4f0793a…

MALICIOUS

PDF

43.0 KB Created: 2020-08-31 13:20:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 59e842f27ac9707dd147e40dc50da640 SHA-1: b5f35092a08aebc19de37e4893ed201a3067236b SHA-256: eb7faf82c4f0793a188c2f71ada04947e9e48b255c896ae1ac21529e029d7414
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a significant number of embedded links, with one identified as a known malicious redirector. The document body, though heavily obfuscated, contains references to URLs that are part of a link farm. This suggests the primary purpose is to lure users to malicious sites.

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/wix?keyword=panaracer+driver+pro
    • https://cdn.shopify.com/s/files/1/0431/6086/2882/files/koliduz.pdf
    • https://cdn.shopify.com/s/files/1/0432/7309/3288/files/17776002760.pdf
    • https://cdn.shopify.com/s/files/1/0436/8039/9510/files/vidmate_2017_wala.pdf
    • https://cdn.shopify.com/s/files/1/0437/0654/8379/files/wordscapes_uncrossed_answers_daily.pdf
    • https://static.usrfiles.com/ugd/837d34_837a9d242fba40db8d7615927df3d448.pdf
    • https://static.usrfiles.com/ugd/b8c837_a7724a9810da40abba9f572dcf5716b8.pdf
    • https://static.usrfiles.com/ugd/5ecadc_051ecd019ea340158d4ef7bebc267c59.pdf
    • https://static.usrfiles.com/ugd/b0b521_520d66b43b094a6ea4fb2fb9826ee77f.pdf
    • https://static.usrfiles.com/ugd/fb83f1_9db442ce145a4f4985fa4f71640de2c6.pdf
    • https://static.usrfiles.com/ugd/b914b5_45b471421a3c4308b15222fb818864d4.pdf
    • https://static.usrfiles.com/ugd/b8c837_2be55c7e8b444c1fa019757a913632e9.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_off00005f0d.bin
5a7506050b8291599cbca7fc4ee0a61f8463f3807acad34abbaf7516bafc449d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F0D 4624 bytes
font_01_sfnt_off00006ebe.bin
9ab60b087cd46dba2c049c049d5ebeb3b24a13493328ab3d49e3a83bbfb23144		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6EBE 10216 bytes
font_02_sfnt_off0000918e.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361		 pdf-font-stream PDF embedded font (sfnt) at offset 0x918E 4324 bytes

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