Malicious PDF — malware analysis report

Static analysis result for SHA-256 9dac1eea63b5e634…

MALICIOUS

PDF

44.2 KB Created: 2020-08-06 20:11:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 43a3ee164f60c328fe2bbaa3b558971b SHA-1: ca36765d8e581382cf080e08c96d5d3cb51374bf SHA-256: 9dac1eea63b5e634f4cbd7922c6f1f32061f975a6c4d7375501bcacfc1a3ad0d
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.ru/pify?keyword=catia+training+report+pdf'. Additionally, it exhibits a PDF link farm heuristic, with numerous links, many hosted on cdn.shopify.com. The document body, though heavily obfuscated, contains references to the redirector URL and a benign-looking PDF URL, suggesting a lure to disguise malicious intent. No scripts were extracted, but the presence of a malicious redirector is a strong indicator of a phishing or malware delivery attempt.

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.ru/pify?keyword=catia+training+report+pdf
    • http://files.learningforlittlepeoplepreschool.com/uploads/1/3/1/6/131606392/eb08ac245ae3ac.pdf
    • http://files.walkonuniversity.com/uploads/1/3/2/7/132740852/durulewo_putugukunep_ronomuxozewedit_pazaritopefovab.pdf
    • http://files.enimun.org/uploads/1/3/0/7/130740496/9151878.pdf
    • http://files.the-circle.ca/uploads/1/3/1/0/131070722/5a87eb377df2894.pdf
    • http://files.permittechnation.org/uploads/1/3/0/8/130813448/dosore.pdf
    • https://cdn.shopify.com/s/files/1/0431/4457/7178/files/sibifiwozogapi.pdf
    • https://cdn.shopify.com/s/files/1/0433/5868/3295/files/23685580256.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/48975286879.pdf
    • https://cdn.shopify.com/s/files/1/0431/4680/5408/files/nurowube.pdf
    • https://cdn.shopify.com/s/files/1/0428/9232/9119/files/wevejebolamezutoka.pdf
    • https://cdn.shopify.com/s/files/1/0429/9735/0554/files/34188639218.pdf
    • https://cdn.shopify.com/s/files/1/0435/9503/8877/files/sword_fighting_manual.pdf
    • https://cdn.shopify.com/s/files/1/0429/3070/0455/files/jeppesen_airway_manual_introduction.pdf
    • https://cdn.shopify.com/s/files/1/0432/4599/4146/files/tasixokutagepiduvaso.pdf
    • https://cdn.shopify.com/s/files/1/0430/8454/6209/files/judefivi.pdf
    • https://cdn.shopify.com/s/files/1/0433/2909/3800/files/xuloxigozeba.pdf
    • https://cdn.shopify.com/s/files/1/0433/6323/8056/files/13668923507.pdf
    • https://cdn.shopify.com/s/files/1/0431/5581/6599/files/xakorujefa.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_off000070e2.bin
9a27b6744e8458885ddedcf8e1a5ea71aa4c029f1b6ad85698581c8e356611f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x70E2 4904 bytes
font_01_sfnt_off000081a3.bin
5f3b41ae22d7bb3b3227dda5ab3a428a36421c768eb92a94ebb9fe2568cce36a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x81A3 10112 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.