PDF malware analysis — malicious · 1cd6ec982bf881d6

MALICIOUS

PDF

52.9 KB Created: 2021-06-04 00:32:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: dcdba7ff15dbf6e8913e4481a801acb1 SHA-1: 0cb90b73eef9970b852c1a7e2cf395719561d0ec SHA-256: 1cd6ec982bf881d6c5e0883e1f7c666aafa4d187e419a21d1b9aa52b2df50617

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains multiple links, including one identified as a malicious redirector for a "free generator / game hack" lure. The document body, though partially corrupted, contains references to game hacks and a URL that is also flagged as malicious. This suggests the document's primary purpose is to trick users into visiting malicious websites, likely to download further malware or engage in scams.

Machine Learning

Nyx PDF Classifier malicious score 0.9657

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.online/app/406889139/coin-master-free-spins-hack-download-game-hack In PDF document text
- https://digilib-ppkn.stkip-pgri-sumbar.ac.id//repository/roblox-executor-free_GM431946152.pdfIn PDF document text
- https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/how-to-get-a-free-minecraft-account_GM479516143.pdfIn PDF document text
- https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/free-game-pack-with-google-play-coin-master_GM406889139.pdfIn PDF document text
- https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/coin-master-free-spins-hack-no-human-verification_GM406889139.pdfIn PDF document text
- https://digilib-ppkn.stkip-pgri-sumbar.ac.id//repository/free-coin-master-spins-link-facebook_GM406889139.pdfIn PDF document text
- https://digilib-ppkn.stkip-pgri-sumbar.ac.id//repository/coin-master-hack-tool-no-survey_GM406889139.pdfIn PDF document text
- https://digilib-ppkn.stkip-pgri-sumbar.ac.id//repository/coin-master-daily-free-spins-link-2021_GM406889139.pdfIn PDF document text
- https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/mcpe-master-hack-unlimited-coins-latest-version_GM406889139.pdfIn PDF document text
- https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/how-to-get-free-robux-on-mobile_GM431946152.pdfIn PDF document text
- https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/how-to-get-free-robux-without-verifying_GM431946152.pdfIn PDF document text
- https://digilib-ppkn.stkip-pgri-sumbar.ac.id//repository/robux-generator-without-human-verification_GM431946152.pdfIn PDF document text
- https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
- https://digilib-ppkn.stkip-pgri-sumbar.ac.id//repository/is-there-a-free-version-of-minecraft_GM479516143.pdfIn PDF document text
- https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/how-to-get-free-roblox-money_GM431946152.pdfIn PDF document text
- https://digilib-ppkn.stkip-pgri-sumbar.ac.id//repository/appsmobinfo-coinmasterhack-coin-master-hack_GM406889139.pdfIn PDF document text
- https://digilib-ppkn.stkip-pgri-sumbar.ac.id//repository/how-can-i-play-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://digilib-ppkn.stkip-pgri-sumbar.ac.id//repository/free-roblox-toy-codes_GM431946152.pdfIn PDF document text
- https://digilib-ppkn.stkip-pgri-sumbar.ac.id//repository/free-minecraft-client_GM479516143.pdfIn PDF document text
- https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/coin-master-games-hack_GM406889139.pdfIn PDF document text
- https://digilib-ppkn.stkip-pgri-sumbar.ac.id//repository/coin-master-free-spin-and-coin_GM406889139.pdfIn PDF document text
- https://www.urcouponsdeal.com/2019/03/coin-master-free-spin-and-coin-links.htmlIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off0000553e.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x553E	24096 bytes
SHA-256: `62d1684b2d46bf367d7492bcb162648dc7dd65826c21e9e060092150c721f5e7`
`font_01_sfnt_off00008c8a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8C8A	2880 bytes
SHA-256: `ade0b7cf4b51a8340bab06c0d2bef9a9667a97d8224eb14abb50da9e1aaabd55`
`font_02_sfnt_off00009670.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9670	8676 bytes
SHA-256: `e06aca5f85e50ae6cefda302c5299c18ab6d27c174f74f0bb0ee8efa7ccb4468`
`font_03_sfnt_off0000aafb.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAAFB	18636 bytes
SHA-256: `da694bd0fa69da9f205a2bf67330739d542643c12690bfff988ed45d7c82aeae`

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