Malicious PDF — malware analysis report

Static analysis result for SHA-256 1baec30c93a37162…

MALICIOUS

PDF

43.8 KB Created: 2020-08-20 19:49:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 712759c99fd0c4dfdc45e4ea6734eb02 SHA-1: 0b1fd684527853932211f292d006d8e1d31b1f45 SHA-256: 1baec30c93a3716230146b01437955de4c55c64c1eaf5282d52dcd108f01f893
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at 'https://ttraff.com/pify?keyword=sustainability+reporting+guidelines+g4'. The document body, though heavily obfuscated, also contains this URL and other Shopify-hosted PDF links, suggesting a link farm or redirection strategy. The primary intent appears to be directing users to malicious infrastructure, likely for phishing or malware delivery.

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.com/pify?keyword=sustainability+reporting+guidelines+g4
    • http://files.limitless-potential.org/uploads/1/3/1/8/131856076/9d2e5.pdf
    • http://files.nomsieswoodcrafts.com/uploads/1/3/1/8/131856065/gimale.pdf
    • http://zekim.themalagarden.com/uploads/1/3/1/8/131871721/1787853.pdf
    • https://cdn.shopify.com/s/files/1/0429/0890/9734/files/bergmann_s_rule.pdf
    • https://cdn.shopify.com/s/files/1/0433/8617/5651/files/xigujamifedamutubi.pdf
    • https://cdn.shopify.com/s/files/1/0431/2095/1450/files/32021391234.pdf
    • https://cdn.shopify.com/s/files/1/0433/5458/7288/files/tufelonuvowiga.pdf
    • https://cdn.shopify.com/s/files/1/0432/2505/5387/files/bar_rust_235.pdf
    • https://cdn.shopify.com/s/files/1/0432/7194/6398/files/32196366384.pdf
    • https://cdn.shopify.com/s/files/1/0433/1238/2117/files/12787036144.pdf
    • https://cdn.shopify.com/s/files/1/0459/0010/3834/files/chupke_chupke_song_ming.pdf
    • https://cdn.shopify.com/s/files/1/0429/8938/7939/files/felisowajin.pdf
    • https://cdn.shopify.com/s/files/1/0437/3685/8773/files/65412963260.pdf
    • https://cdn.shopify.com/s/files/1/0429/2729/2582/files/exam_master_may_2020_download.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/benubojebexoreloruva.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_off0000607f.bin
30577a899a252d737c23e676914417a5111d7134da8a74258dd6bf156f39fc6c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x607F 5440 bytes
font_01_sfnt_off00007300.bin
16837c2b414cd0db40dc603227a31271a597565c161e1b89aa5af46b7ac8d058		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7300 9528 bytes
font_02_sfnt_off00009395.bin
05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9395 4324 bytes

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