Malicious PDF — malware analysis report

Static analysis result for SHA-256 d79e67184a113d12…

MALICIOUS

PDF

112.6 KB Created: 2020-08-08 15:21:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 26c10684c1b9ccf239fe09d154326c6a SHA-1: 411603cdb72fd63b25ca2ebfcb60b8541792712d SHA-256: d79e67184a113d12b02806b695850c75cb76d9bbe4e2826c6bbf530171ac926f
162 Risk Score

Malware Insights

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

The PDF contains a lure for an advance-fee scam, disguised as an encyclopedia entry. It embeds a link that redirects to a malicious URL, likely to download further malware or phish for credentials. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically flags the redirection to ttraff.cc, and PDF_SEO_LINK_FARM indicates a large number of outbound links, typical of SEO poisoning or link farm abuse.

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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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=britannica+concise+encyclopedia+pdf
    • http://votedovur.preciousmomentsbabeez.com/uploads/1/3/1/6/131636664/45d798ec8a4.pdf
    • http://files.libbiessimplejoys.com/uploads/1/3/0/8/130873987/susufariripiv.pdf
    • http://files.bjbeautifulthings.com/uploads/1/3/2/6/132696483/nowasopadat-vilepe-dosudufu-jetam.pdf
    • http://files.southsidemetalworks.com/uploads/1/3/1/3/131379312/fuwufiwofubexi.pdf
    • http://lavad.craigjafferesearch.com/uploads/1/3/1/4/131453850/kivelasokurevit-vojolikutew-fulozile-kukosulufizex.pdf
    • https://cdn.shopify.com/s/files/1/0432/2502/2621/files/62107584691.pdf
    • https://cdn.shopify.com/s/files/1/0436/3390/1726/files/66582058424.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/99913566500.pdf
    • https://cdn.shopify.com/s/files/1/0434/0921/1549/files/24006523902.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/japoxotoruzub.pdf
    • https://cdn.shopify.com/s/files/1/0431/0876/1764/files/apache_web_server_tutorial_point.pdf
    • https://cdn.shopify.com/s/files/1/0431/7098/8196/files/82879545850.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zafitizeruzu.pdf
    • https://cdn.shopify.com/s/files/1/0430/8520/1561/files/wematidezenibozoganogi.pdf
    • https://cdn.shopify.com/s/files/1/0434/1438/8892/files/sajivagewenesuzozikubom.pdf
    • https://cdn.shopify.com/s/files/1/0430/9018/2297/files/gibepunovibuxos.pdf
    • https://cdn.shopify.com/s/files/1/0432/6014/9910/files/galemaz.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_off000162ff.bin
eb6490b41aed215eaf3f7ae42adb8343e4c8cbc1f3bd2f452c761ef8ecc4bb77
pdf-font-stream PDF embedded font (sfnt) at offset 0x162FF 5300 bytes
font_01_sfnt_off00017520.bin
4241c1a0a48b2e8257a29431a4d124f4b9aeb4b50367eac01b0fdce5c8623326
pdf-font-stream PDF embedded font (sfnt) at offset 0x17520 13400 bytes
font_02_sfnt_off00019ee1.bin
cb0239a5e77cb37740da0b4997a5f47117ed526887f952b298c44ef8b2f17e18
pdf-font-stream PDF embedded font (sfnt) at offset 0x19EE1 16232 bytes