Malicious PDF — malware analysis report

Static analysis result for SHA-256 f15e487e6927ed53…

MALICIOUS

PDF

34.5 KB Created: 2021-07-01 23:32:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: d1fea9a448ab80318a6dcdc6944fa741 SHA-1: d13623bf24f38543f02412e29021f5650e3f0af2 SHA-256: f15e487e6927ed53b913cf4bf39a7ed29f07e8989fcba6b5fb346e89b98f193d
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to redirector domains and websites that promise free in-game items or currency for popular games. These links are designed to lure users into clicking, likely leading to further malicious content or scams. The presence of numerous game-related lures suggests a phishing or scam campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • 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.
  • 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 http://netcdn.co/app/431946152/free-purple-outfit-on-roblox-game-hack In PDF document text
    • http://croatia-flyfishing.com/files/free-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://www.croatia-flyfishing.com/files/how-to-fly-hack-in-roblox-skywars_GM431946152.pdfIn PDF document text
    • http://croatia-flyfishing.com/files/how-to-get-100-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://www.croatia-flyfishing.com/files/100-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://croatia-flyfishing.com/files/dragon-ball-n-roblox-hack_GM431946152.pdfIn PDF document text
    • https://www.croatia-flyfishing.com/files/www-roblox-com-robux-free_GM431946152.pdfIn PDF document text
    • https://www.croatia-flyfishing.com/files/new-oilgarchy-hack-roblox_GM431946152.pdfIn PDF document text
    • https://www.croatia-flyfishing.com/files/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdfIn PDF document text
    • http://croatia-flyfishing.com/files/coin-master-hack-ios-cydia_GM406889139.pdfIn PDF document text
    • http://croatia-flyfishing.com/files/coin-master-free-spins-link-today-new-2021_GM406889139.pdfIn PDF document text
    • https://www.croatia-flyfishing.com/files/coin-master-claim-spins_GM406889139.pdfIn PDF document text
    • https://www.croatia-flyfishing.com/files/free-roblox-hack_GM431946152.pdfIn PDF document text
    • http://croatia-flyfishing.com/files/apps-for-free-robux_GM431946152.pdfIn PDF document text
    • https://www.croatia-flyfishing.com/files/robux-survey_GM431946152.pdfIn PDF document text
    • https://www.croatia-flyfishing.com/files/link-for-free-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://croatia-flyfishing.com/files/free-robux-no-password-or-download_GM431946152.pdfIn PDF document text
    • https://www.croatia-flyfishing.com/files/get-more-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://www.croatia-flyfishing.com/files/cheat-code-sight-on-roblox_GM431946152.pdfIn PDF document text
    • http://croatia-flyfishing.com/files/roblox-how-to-get-robux-hack_GM431946152.pdfIn PDF document text
    • http://croatia-flyfishing.com/files/roblox-free-items-from-catalog_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003139.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3139 21748 bytes
SHA-256: 7786009b5cd90c49f3e7f567777dd9292b415a09cd9558bec64379af69ca5552
font_01_sfnt_off000060ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60EF 19344 bytes
SHA-256: e4200388afc2c0f04450b7223cf073688b08c786709add96090d94774abf0d7c

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