Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e96ddaa7f02df71…

MALICIOUS

PDF

42.8 KB Created: 2021-05-16 15:05:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 6dd7778aa743057033b14f43ad4170d7 SHA-1: 670ee8778819d145d0d24ddc5124805c3d2c5719 SHA-256: 7e96ddaa7f02df71b45a7ce6f536d4ac6409274ce6784b263204234ede8eb167
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded links that point to known malicious redirector infrastructure, specifically targeting users with lures related to 'free Robux' and 'game hacks'. The heuristic firings confirm the presence of malicious redirector links and a game hack lure. While no scripts were extracted, the document's structure and embedded links strongly suggest an intent to redirect users to potentially malicious websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/431946152/free-robux-websites-that-work-game-hack In PDF document text
    • http://jackson-pr.com/images/free-roblox-gift-card_GM431946152.pdfIn PDF document text
    • http://jackson-pr.com/images/coin-master-free-food_GM406889139.pdfIn PDF document text
    • http://jackson-pr.com/images/roblox-gift-card-online-free_GM431946152.pdfIn PDF document text
    • http://jackson-pr.com/images/free-robux-hack_GM431946152.pdfIn PDF document text
    • http://jackson-pr.com/images/today-free-spin-coin-master_GM406889139.pdfIn PDF document text
    • http://jackson-pr.com/images/buy-robux-free_GM431946152.pdfIn PDF document text
    • http://jackson-pr.com/images/how-to-get-free-roblox-premium_GM431946152.pdfIn PDF document text
    • http://jackson-pr.com/images/roblox36com-free-robux_GM431946152.pdfIn PDF document text
    • http://jackson-pr.com/images/coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://jackson-pr.com/images/free-coin-master-spins-blog_GM406889139.pdfIn PDF document text
    • http://jackson-pr.com/images/how-to-hack-roblox-on-mobile_GM431946152.pdfIn PDF document text
    • http://jackson-pr.com/images/coin-master-free-soins_GM406889139.pdfIn PDF document text
    • http://jackson-pr.com/images/coin-master-free-spins-link_GM406889139.pdfIn PDF document text
    • http://jackson-pr.com/images/coin-master-unlimited-spin-apk-free-download_GM406889139.pdfIn PDF document text
    • http://jackson-pr.com/images/coin-master-free-spin-and-coins-links_GM406889139.pdfIn PDF document text
    • http://jackson-pr.com/images/robloxfun-com-robux_GM431946152.pdfIn PDF document text
    • http://jackson-pr.com/images/coin-master-hack-unlimited-spins-and-coins-cheats_GM406889139.pdfIn PDF document text
    • http://jackson-pr.com/images/free-robux-2021_GM431946152.pdfIn PDF document text
    • http://jackson-pr.com/images/how-to-get-free-robux-2021-easy_GM431946152.pdfIn PDF document text
    • http://jackson-pr.com/images/roblox-apk-hack_GM431946152.pdfIn PDF document text
    • https://robuxhaxs.comIn 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
stream_003_off0000465a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x465A 25768 bytes
SHA-256: c4c6f106d34c0bef56c1bebd6c12fc2789745f2c3af3fa7fabef421c201542c8
font_01_sfnt_off000082a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82A3 19000 bytes
SHA-256: 7385cf8e30761df55e83d9792ae8d47179260988159899b0069d718a962ca50a

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