Malicious PDF — malware analysis report

Static analysis result for SHA-256 1504eea393999a2a…

MALICIOUS

PDF

22.1 KB Created: 2020-07-30 00:17:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 0aa0656a384657f6aeba95796947dbdc SHA-1: 3a69fb07081ab1d90d3dce117d4252fcfe7e3204 SHA-256: 1504eea393999a2ad6d62e246245aeb2f644f43ccfecada7427096548ac807cd
172 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF is designed as a phishing lure, presenting itself as a document about hybrid electric vehicles but containing only an image and a malicious link. The embedded link redirects to a known malicious infrastructure, indicating an attempt to lead the user to a compromised site or further malware. The ML classifier strongly supports the malicious nature of this PDF.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9988

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.
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 2 image(s), only 0 text block(s), carries a click-outward action, and is only 22 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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/wb?keyword=hybrid%20electric%20vehicle%20working%20pdf
    • http://files.425sqn.org/uploads/1/3/0/8/130814642/zotazaboma.pdf
    • http://files.jimmymooreguitar.com/uploads/1/3/0/8/130814907/fevobulajavun.pdf
    • http://files.mwavizi.org/uploads/1/3/0/7/130775174/kububuzizisixapomu.pdf
    • http://files.datenightbmo.com/uploads/1/3/0/7/130776724/efa850.pdf
    • https://cdn.shopify.com/s/files/1/0428/1293/2255/files/16862565753.pdf
    • https://cdn.shopify.com/s/files/1/0437/3600/6810/files/19077735078.pdf
    • https://cdn.shopify.com/s/files/1/0438/6953/6411/files/datupaxusu.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/6735074847.pdf
    • https://cdn.shopify.com/s/files/1/0440/8157/8136/files/35925848257.pdf
    • https://cdn.shopify.com/s/files/1/0431/9451/5614/files/79959893646.pdf
    • https://cdn.shopify.com/s/files/1/0432/5913/4112/files/29872596659.pdf
    • https://cdn.shopify.com/s/files/1/0432/2626/7806/files/53788027370.pdf
    • https://cdn.shopify.com/s/files/1/0433/3161/6918/files/pavopedamowij.pdf
    • https://cdn.shopify.com/s/files/1/0437/8863/2224/files/tezoxefaratasozijipu.pdf
    • https://cdn.shopify.com/s/files/1/0428/4815/7859/files/37857545820.pdf
    • https://cdn.shopify.com/s/files/1/0433/2745/5382/files/zoxutixanu.pdf

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