Malicious PDF — malware analysis report

Static analysis result for SHA-256 c15341befe2153f9…

MALICIOUS

PDF

44.7 KB Created: 2021-05-14 15:30:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-14
MD5: f7318f46571be6606ca662c2eb8a8e2b SHA-1: a0cb6501538cbabf0e53832d57c0b77ce4189558 SHA-256: c15341befe2153f99ab0d6dfcf9c237e55856d6a5a72bd611e0d47b1028e4136
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links to malicious redirectors, masquerading as game hacks and generators. The primary lure directs users to 'https://netcdn.xyz/app/479516143/how-to-create-a-minecraft-server-for-free-game-hack', which is flagged as a malicious redirector. The document body, though partially corrupted, contains similar URLs, suggesting a phishing or malware distribution attempt. No scripts were extracted, but the embedded URLs and heuristic firings strongly indicate a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9632

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 https://netcdn.xyz/app/479516143/how-to-create-a-minecraft-server-for-free-game-hack In PDF document text
    • http://arhi-z.ru/images/coin-master-hack-extension_GM406889139.pdfIn PDF document text
    • http://arhi-z.ru/images/rbx-roblox_GM431946152.pdfIn PDF document text
    • http://arhi-z.ru/images/free-roblox-outfits-2021_GM431946152.pdfIn PDF document text
    • http://arhi-z.ru/images/download-hacked-games-com-coin-master_GM406889139.pdfIn PDF document text
    • http://arhi-z.ru/images/coin-master-hack-tool-ios_GM406889139.pdfIn PDF document text
    • http://arhi-z.ru/images/coin-master-free-spins-apple_GM406889139.pdfIn PDF document text
    • http://arhi-z.ru/images/how-to-get-free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://arhi-z.ru/images/bux-gg-robux-free_GM431946152.pdfIn PDF document text
    • http://arhi-z.ru/images/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • http://arhi-z.ru/images/free-pet-food-for-coin-master_GM406889139.pdfIn PDF document text
    • http://arhi-z.ru/images/websites-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://arhi-z.ru/images/coin-master-free-attack_GM406889139.pdfIn PDF document text
    • http://arhi-z.ru/images/free-robux-legit_GM431946152.pdfIn PDF document text
    • http://arhi-z.ru/images/how-to-get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • http://arhi-z.ru/images/coin-master-hackcom-xyz_GM406889139.pdfIn PDF document text
    • http://arhi-z.ru/images/free-spins-coin-master-2021-hack_GM406889139.pdfIn PDF document text
    • http://arhi-z.ru/images/earn-free-robux-today_GM431946152.pdfIn PDF document text
    • http://arhi-z.ru/images/how-do-i-get-robux_GM431946152.pdfIn PDF document text
    • http://arhi-z.ru/images/free-spins-coin-master-twitter_GM406889139.pdfIn PDF document text
    • http://arhi-z.ru/images/master-coin-free-spin_GM406889139.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004af0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4AF0 24752 bytes
SHA-256: 3e59c7540b8ae94becd7a0a1e2762ee686a9187e01268143b5a13de57049a55e
font_01_sfnt_off000082a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82A1 3056 bytes
SHA-256: dd24a0ab94df4552e459bd06fd01b0fd3f021c1d51d1d64407070e735974a028
font_02_sfnt_off00008d14.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D14 17988 bytes
SHA-256: 060fb71443e6007603a371ac142d4c0d51e0ba8cefae348522c79638c30c3a2b

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