Malicious PDF — malware analysis report

Static analysis result for SHA-256 6614ad231200936d…

MALICIOUS

PDF

44.1 KB Created: 2021-05-14 23:10:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 85c9ee314f837097ae226adc9a216500 SHA-1: dd77c648af90e5f88c527df2c7ee109a57509763 SHA-256: 6614ad231200936d1632fbbf37d6cab2f736e985ed788c00d19ac79d43e8be4b
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links to external websites that are associated with game hacks and free in-game currency. The heuristic firings indicate that these links are part of a malicious redirector chain, likely intended to lead the user to a malicious payload or phishing site. No scripts were extracted, but the embedded URLs and the nature of the lures suggest a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9976

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/406889139/free-spins-and-coins-com-game-hack In PDF document text
    • http://bpbfloydinc.org/images/roblox-hack-codes_GM431946152.pdfIn PDF document text
    • http://bpbfloydinc.org/images/how-to-get-a-cape-in-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://bpbfloydinc.org/images/free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://bpbfloydinc.org/images/master-hack-coin_GM406889139.pdfIn PDF document text
    • http://bpbfloydinc.org/images/how-to-actually-get-free-robux_GM431946152.pdfIn PDF document text
    • http://bpbfloydinc.org/images/how-to-get-free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • http://bpbfloydinc.org/images/minecraft-pe-hack-client-2021_GM479516143.pdfIn PDF document text
    • http://bpbfloydinc.org/images/how-do-you-download-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://bpbfloydinc.org/images/sites-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://bpbfloydinc.org/images/roblox-its-free_GM431946152.pdfIn PDF document text
    • http://bpbfloydinc.org/images/coin-master-free-pet-snacks_GM406889139.pdfIn PDF document text
    • http://bpbfloydinc.org/images/gold-card-coin-master-free_GM406889139.pdfIn PDF document text
    • http://bpbfloydinc.org/images/coin-master-free-spin-and-coins-links_GM406889139.pdfIn PDF document text
    • http://bpbfloydinc.org/images/bloxpink-free-robux_GM431946152.pdfIn PDF document text
    • http://bpbfloydinc.org/images/robux-hack-no-verification_GM431946152.pdfIn PDF document text
    • http://bpbfloydinc.org/images/how-to-hack-people-on-roblox_GM431946152.pdfIn PDF document text
    • http://bpbfloydinc.org/images/roblox-gift-card-for-free_GM431946152.pdfIn PDF document text
    • http://bpbfloydinc.org/images/lazyblocks-com-free-robux_GM431946152.pdfIn PDF document text
    • http://bpbfloydinc.org/images/roblox-premium-free_GM431946152.pdfIn PDF document text
    • http://bpbfloydinc.org/images/is-minecraft-free-on-nintendo-switch_GM479516143.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
stream_003_off00004c3b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4C3B 27956 bytes
SHA-256: 3499d3eba60ef2c6742512b1236067037b2758f673fa2b341faf06cf8ad716a0
font_01_sfnt_off00008b68.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B68 17988 bytes
SHA-256: 4395ae37e1cfbc76b43b42005ca4fd09817d06c76feeafad5bf4b4e665587051

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