Malicious PDF — malware analysis report

Static analysis result for SHA-256 84b035a335dafc9c…

MALICIOUS

PDF

36.6 KB Created: 2020-07-29 05:49:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 611df0120f6f7a6c309e3fde58d9c6ca SHA-1: 821d0291d2151064e2aedcfead2a40eb4d081b1d SHA-256: 84b035a335dafc9ce79bcd1e75c01f12d78e71a1810efe147afdf5a18511444d
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to domains that appear to be part of a link farm designed for SEO manipulation. One critical heuristic firing indicates a link to a known malicious redirector infrastructure, specifically `https://ttraff.cc/pify?keyword=angel+has+fallen+full+movie+free`, which is likely intended to lead the user to malicious content. The document body, though heavily obfuscated, suggests a lure related to movie downloads, further supporting the phishing and redirection attack pattern.

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/pify?keyword=angel+has+fallen+full+movie+free
    • http://files.michellehelenphaneuf.com/uploads/1/3/1/4/131406222/8266287.pdf
    • http://files.pathspersonalfinance.com/uploads/1/3/0/9/130969751/faxikafe.pdf
    • http://files.clintholmesmusic.com/uploads/1/3/1/3/131398195/tiguxuwadovonut.pdf
    • http://files.roeserart.com/uploads/1/3/1/3/131383825/motodusemijavogaj.pdf
    • http://files.betsynorris.com/uploads/1/3/1/3/131398091/e96a329d.pdf
    • http://files.michellehelenp
    • https://cdn.shopify.com/s/files/1/0434/6760/4128/files/golobewotudemekodexe.pdf
    • https://cdn.shopify.com/s/files/1/0433/6238/6079/files/12526488877.pdf
    • https://cdn.shopify.com/s/files/1/0433/1339/7913/files/53347741166.pdf
    • https://cdn.shopify.com/s/files/1/0438/3955/3696/files/36577546927.pdf
    • https://cdn.shopify.com/s/files/1/0430/2631/7473/files/mapogijimosavikekiwuzadis.pdf
    • https://cdn.shopify.com/s/files/1/0431/7102/0954/files/lugamutukovenolonewor.pdf
    • https://cdn.shopify.com/s/files/1/0433/5117/9416/files/5552310106.pdf
    • https://cdn.shopify.com/s/files/1/0430/4296/3613/files/dozeturunogetuxeluzawip.pdf
    • https://cdn.shopify.com/s/files/1/0433/0517/3147/files/begolumipabixis.pdf
    • https://cdn.shopify.com/s/files/1/0428/7922/1927/files/40617973512.pdf
    • https://cdn.shopify.com/s/files/1/0428/3308/4575/files/veparuz.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_off00005846.bin
4cbc87dbef4ac21afc806845c05f531a3de9ba90b2f89d6e6f958997cdf45509		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5846 5032 bytes
font_01_sfnt_off00006935.bin
f8cd2fddf9d56bb947f305798f5935476ca06a54e3c6a320e77a4859fe8d05ef		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6935 8364 bytes

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