Malicious PDF — malware analysis report

Static analysis result for SHA-256 01eb3fa9ca861436…

MALICIOUS

PDF

42.8 KB Created: 2021-05-13 02:25:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-24
MD5: e11ec9a34d275c6be272edbed77b6c99 SHA-1: 0ae6412d85b249fd66233d53551b88497f99bdd2 SHA-256: 01eb3fa9ca861436e8e771959a77e6cb5dd422a90fd640aebb840acd36903927
220 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure of game hacks and free items to trick users into clicking malicious links. It contains numerous links to redirectors and SEO link farms, including a primary malicious URL that promises a 'minecraft hax download'. The document's structure and embedded links strongly suggest it is part of a phishing or scam campaign designed to lead users to potentially harmful content or malware downloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 5

  • PDF links to a 'free generator / game hack' redirector critical PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://netcdn.xyz/app/479516143/minecraft-hax-download-no-virus-game-hack In PDF document text
    • http://italianconnectionsleaford.co.uk/images/free-coin-master-link-2021_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/roblox-e-free_GM431946152.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/coin-master-free-spins-link-iphone_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/coin-master-free-coins-hack_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/coin-master-fan-hack_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/i-got-hacked-on-roblox_GM431946152.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/coin-master-unlimited-spin-link_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/coin-master-free-spins-only_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/free-spin-link-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/how-to-get-roblox-credit-for-free_GM431946152.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/how-do-you-get-free-food-in-coin-master_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/free-robux-hack-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/free-coins-and-spins_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/coin-master-free-spins-cheat-codes_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/how-to-get-free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/minecraft-windows-10-edition-unlock-full-game-free_GM479516143.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/free-robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/minecraft-maps-pe-free-download_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004c3a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4C3A 24760 bytes
SHA-256: 741824edf047a5b5876cdbbf4b1b3f00a4144584de74152bd87b4429c6672c2b
font_01_sfnt_off000083a2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x83A2 18772 bytes
SHA-256: c700757df4146bcd75611d33c41ed0aca4ff62925dbc333fb331944c4ea3b8c9

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