Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e902c268de7f41d…

MALICIOUS

PDF

34.7 KB Created: 2021-06-18 08:22:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 272ad23db8885562d491fbb4589e1741 SHA-1: 7584ea9a49a4161214a3defb4a11dc2eec7469c7 SHA-256: 2e902c268de7f41da0fd224e6c80031e62614bd147ffdc83fed1431ed8324b20
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a common lure of game hacks and free spins to trick users into clicking malicious links. The primary link directs to a known malicious redirector infrastructure, which in turn hosts multiple other malicious PDF files. The document's content and embedded URLs strongly suggest a phishing or scamming attempt designed to lead users to further malicious content.

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/406889139/coin-master-free-spins-link-blogspot-2021-game-hack In PDF document text
    • http://pia2000.net/images/free-face-hack-roblox_GM431946152.pdfIn PDF document text
    • http://pia2000.net/images/free-robux-link-in-description_GM431946152.pdfIn PDF document text
    • http://pia2000.net/images/how-to-hack-roblox-jailbreak-beta_GM431946152.pdfIn PDF document text
    • http://pia2000.net/images/tampermonkey-hacks-for-roblox_GM431946152.pdfIn PDF document text
    • http://pia2000.net/images/free-roblox-printables_GM431946152.pdfIn PDF document text
    • http://pia2000.net/images/robux-generatr-hack-2021_GM431946152.pdfIn PDF document text
    • http://pia2000.net/images/pokemon-go-free-coins-2021_GM1094591345.pdfIn PDF document text
    • http://pia2000.net/images/moonactive-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://pia2000.net/images/wahoo-gaming-robux-free_GM431946152.pdfIn PDF document text
    • http://pia2000.net/images/hack-inventary-roblox_GM431946152.pdfIn PDF document text
    • http://pia2000.net/images/roblox-script-hack-pet-simulator_GM431946152.pdfIn PDF document text
    • http://pia2000.net/images/coin-master-download_GM406889139.pdfIn PDF document text
    • http://pia2000.net/images/coin-master-game-hack-version-download_GM406889139.pdfIn PDF document text
    • http://pia2000.net/images/my-roblox-account-was-hacked_GM431946152.pdfIn PDF document text
    • http://pia2000.net/images/how-to-get-free-clothes-on-roblox-2021-ipad_GM431946152.pdfIn PDF document text
    • http://pia2000.net/images/mcpe-com_GM479516143.pdfIn PDF document text
    • http://pia2000.net/images/spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://pia2000.net/images/how-tzo-hack-robux-links_GM431946152.pdfIn PDF document text
    • http://pia2000.net/images/roblox-ftw_GM431946152.pdfIn PDF document text
    • http://pia2000.net/images/coin-master-ad_GM406889139.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
stream_002_off00002ef4.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2EF4 23072 bytes
SHA-256: 7d1ad044fe90c2bb11cb9c5b42ebb8dcbc9866a42e49804bc0f746668312749b
font_01_sfnt_off000062b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62B6 19036 bytes
SHA-256: f868d1b4b008750abeb491aae720fc8315e02cd8dd3bcefbbcb1193d1ab016b5

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