Malicious PDF — malware analysis report

Static analysis result for SHA-256 8f0444ac6da98c03…

MALICIOUS

PDF

39.0 KB Created: 2020-08-15 00:55:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 41210fec608589cfee4447c7bab83ce2 SHA-1: fa6c4074007e39ce957b2beca18b839172461178 SHA-256: 8f0444ac6da98c03a593500cfe592c409777ab99716be7413cdddc5beea6b22c
120 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, which points to 'https://ttraff.cc/pify?keyword=mandom+indonesia+tbk+annual+report'. This URL is likely used to redirect the user to a malicious site. The document also contains a link farm heuristic, suggesting an attempt to manipulate search engine results or distribute multiple malicious links. No scripts were extracted from this sample.

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=mandom+indonesia+tbk+annual+report
    • http://files.davidapope.com/uploads/1/3/1/4/131453221/453a1594b4c5ee.pdf
    • http://sotazuj.jaclynruth.com/uploads/1/3/1/6/131606289/5116045.pdf
    • http://files.acorncookies.com/uploads/1/3/2/7/132740536/nujufasapepuxib_wejenizafa_lowut.pdf
    • http://files.firebirdnewzeal.org/uploads/1/3/0/7/130739996/7942514.pdf
    • https://cdn.shopif
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/18983443830.pdf
    • https://cdn.shopify.com/s/files/1/0434/2572/6614/files/beowulf_movie_in_telugu_dubbed.pdf
    • https://cdn.shopify.com/s/files/1/0436/8865/7051/files/39854465093.pdf
    • https://cdn.shopify.com/s/files/1/0449/7106/5503/files/lerowikumi.pdf
    • https://cdn.shopify.com/s/files/1/0430/9165/6864/files/samifix.pdf
    • https://cdn.shopify.com/s/files/1/0435/2072/1055/files/76821206985.pdf
    • https://cdn.shopify.com/s/files/1/0428/5107/4214/files/ranafibuve.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xidab.pdf
    • https://cdn.shopify.com/s/files/1/0428/7981/1750/files/benim_hocam_tyt_kimya_video_ders_notlar.pdf
    • https://cdn.shopify.com/s/files/1/0434/7455/0949/files/67050704793.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/51439980706.pdf
    • https://cdn.shopify.com/s/files/1/0431/6246/8514/files/79872620979.pdf
    • https://cdn.shopify.com/s/files/1/0436/2400/5794/files/google_company_introduction.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_off000058d2.bin
0f875c5f1cfe78a83c7131f17337cabccc746d91ac409bad62808215ae654ea3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58D2 5312 bytes
font_01_sfnt_off00006ac8.bin
feea78bbb09aa4615cdd82eadaae6f91e194eca049c8ed19e32b3e28d53488f7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6AC8 9964 bytes

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