Malicious PDF — malware analysis report

Static analysis result for SHA-256 dcf15e59afa3d48c…

MALICIOUS

PDF

33.9 KB Created: 2020-08-30 15:15:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6048c0070ce75e527be02b61b041d318 SHA-1: ca2550664e44fa6b3e0be0840383df27885f083e SHA-256: dcf15e59afa3d48c6b0a20539ff482b13f1e53a41371cda470ba9dd011533601
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with one critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to movie downloads and the malicious URL itself. This suggests a social engineering attack aiming to trick users into visiting a malicious site.

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.cc/wix?keyword=oru+vasantha+geetham+full+movie+download
    • https://static.usrfiles.com/ugd/0aab01_3b4af6cdfb48415983bee9cb0d234213.pdf
    • https://static.usrfiles.com/ugd/4c1554_249b4a59725b437091b739d9c05725b6.pdf
    • https://static.usrfiles.com/ugd/b8c837_25286c4c53824c33bd323f6e63ff0e53.pdf
    • https://static.usrfiles.com/ugd/1b8612_c1ff55367358445a98945a7944075939.pdf
    • https://cdn.shopify.com/s/files/1/0431/7639/4909/files/fresh_prince_of_bel_air_putlocker.pdf
    • https://cdn.shopify.com/s/files/1/0429/9735/0554/files/centralised_planning.pdf
    • https://cdn.shopify.com/s/files/1/0431/4077/6093/files/rovinunulazurigakij.pdf
    • https://cdn.shopify.com/s/files/1/0430/9513/0266/files/56915376931.pdf
    • https://cdn.shopify.com/s/files/1/0434/6481/8838/files/59775333841.pdf
    • https://cdn.shopify.com/s/files/1/0430/0180/7007/files/zudugimu.pdf
    • https://cdn.shopify.com/s/files/1/0434/1104/6561/files/mujuzug.pdf
    • https://cdn.shopify.com/s/files/1/0436/1591/2098/files/suposuvuvujufiferewel.pdf
    • https://cdn.shopify.com/s/files/1/0431/1593/7948/files/fiwofelixuwoziporanuli.pdf
    • https://cdn.shopify.com/s/files/1/0428/8980/5980/files/26141892384.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_off00004594.bin
68b96bb8c9b54528434f1ea599ad0ee5cc6d1db82c41cd54bb0fbf98e83cdb00		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4594 5500 bytes
font_01_sfnt_off00005832.bin
7fd0b1cdbb4b272f8c04c64341abc3e0390610be1ed8cdf59cdb3cd661d2dff7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5832 10108 bytes

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