Malicious PDF — malware analysis report

Static analysis result for SHA-256 aba6fc9d150a1316…

MALICIOUS

PDF

44.8 KB Created: 2021-05-14 20:01:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: fe607163cffa9bea117efc8902a1b902 SHA-1: 61b869c4d6247a00563211f4485dfe027bbb62ab SHA-256: aba6fc9d150a13166e5bbc18f7445f667865f0bea7a8f423076621d20f17fb8f
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, specifically advertising game hacks and free items, which is a common lure for phishing or malware distribution. The document body and embedded URLs strongly suggest a phishing attempt to trick users into visiting malicious sites. No scripts were extracted from this sample, but the presence of malicious links and the ML classifier output indicate a high likelihood of malicious intent.

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/406889139/60-free-spins-coin-master-game-hack In PDF document text
    • http://www.flotom.at/images/get-me-robux_GM431946152.pdfIn PDF document text
    • http://www.flotom.at/images/minecraft-pocket-edition-hack_GM479516143.pdfIn PDF document text
    • http://www.flotom.at/images/free-robux-download_GM431946152.pdfIn PDF document text
    • http://www.flotom.at/images/how-to-get-free-robux-hack_GM431946152.pdfIn PDF document text
    • http://www.flotom.at/images/minecraft-free_GM479516143.pdfIn PDF document text
    • http://www.flotom.at/images/spin-link_GM406889139.pdfIn PDF document text
    • http://www.flotom.at/images/coin-master-free-codes_GM406889139.pdfIn PDF document text
    • http://www.flotom.at/images/coin-master-hack-without-verification-for-iphone_GM406889139.pdfIn PDF document text
    • http://www.flotom.at/images/coin-master-free-coins-and-spins-daily_GM406889139.pdfIn PDF document text
    • http://www.flotom.at/images/free-daily-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://www.flotom.at/images/coin-master-free-spins-link-blogspot_GM406889139.pdfIn PDF document text
    • http://www.flotom.at/images/coin-master-free-food_GM406889139.pdfIn PDF document text
    • http://www.flotom.at/images/pasos-para-hackear-coins-master_GM406889139.pdfIn PDF document text
    • http://www.flotom.at/images/roblox-hacked-accounts-list_GM431946152.pdfIn PDF document text
    • http://www.flotom.at/images/free-spins-coin-master-links-2021_GM406889139.pdfIn PDF document text
    • http://www.flotom.at/images/robux-hack-free-robux_GM431946152.pdfIn PDF document text
    • http://www.flotom.at/images/coin-master-pc-hack-download_GM406889139.pdfIn PDF document text
    • http://www.flotom.at/images/how-to-get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • http://www.flotom.at/images/roblox-adopt-me-hacks-2021_GM431946152.pdfIn PDF document text
    • http://www.flotom.at/images/free-robux-group-payouts_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000459b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x459B 29224 bytes
SHA-256: 020712891b1d812f04fb6db9f559784262cfd716a85440312979211f9344c86e
font_01_sfnt_off000082f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82F6 2880 bytes
SHA-256: 10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132
font_02_sfnt_off00008ce0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8CE0 18224 bytes
SHA-256: c1ecca62003467cdf8c5fbac224d7e39febf20c3e1f0cb28698ef381036d4826

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