Malicious PDF — malware analysis report

Static analysis result for SHA-256 d83a21d434fccf67…

MALICIOUS

PDF

39.6 KB Created: 2020-08-20 05:38:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a79c71ec9bb6bcc7db7d2e2bb30f0cdc SHA-1: 13dd16736ab16c1adf8795bbeff94327421b7d55 SHA-256: d83a21d434fccf676851e05cc4957d5208e55fc42e1e6ee1d9beb634c84d455a
128 Risk Score

Malware Insights

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

The PDF contains a prominent link that redirects to a malicious URL, disguised as a movie download. This is further supported by heuristics indicating a malicious redirector and a link farm designed for SEO manipulation. The document body contains garbled text but includes the target URL and a reference to 'Akira full movie', reinforcing the lure.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=akira+full+movie++123mkv
    • http://vafapegud.talbotspecialriders.com/uploads/1/3/0/7/130740221/kezevovew_labexotex_pezotatozeser.pdf
    • https://cdn.shopify.com/s/files/1/0453/8499/0888/files/57607612753.pdf
    • https://cdn.shopify.com/s/files/1/0431/6246/8516/files/xamisog.pdf
    • https://cdn.shopify.com/s/files/1/0430/2356/4957/files/15063805493.pdf
    • https://cdn.shopify.com/s/files/1/0439/2045/7883/files/14703845985.pdf
    • https://cdn.shopify.com/s/files/1/0438/0216/5410/files/aphasia_definition.pdf
    • https://cdn.shopify.com/s/files/1/0432/9691/5621/files/dijudakikugip.pdf
    • https://cdn.shopify.com/s/files/1/0435/4909/8148/files/90916522058.pdf
    • https://cdn.shopify.com/s/files/1/0427/8566/9279/files/37828137953.pdf
    • https://cdn.shopify.com/s/files/1/0433/3341/9166/files/customs_declaration_form_for_shipping_to_canada.pdf
    • https://cdn.shopify.com/s/files/1/0429/3813/8783/files/niwuligivibidowujenu.pdf
    • https://cdn.shopify.com/s/files/1/0432/1817/4107/files/gidifelogeleritir.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_off00005e20.bin
d37816511b258eb1a3a035bdbb7773105ba95d6675c61c33afd8ec7610dc3969		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E20 5196 bytes
font_01_sfnt_off00006fcb.bin
fbbc5e39a206a8a33264cfe7eff39ae5f7b593e9f077487b262be24ded7d2369		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6FCB 10104 bytes

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