PDF malware analysis — malicious · 230830f465130a2b

MALICIOUS

PDF

45.0 KB Created: 2021-05-13 12:02:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: 0992ad3312b4becb3e39510eb6c58cb7 SHA-1: 223adf3e5584baa0d78f7cfe436e9019b1b995a1 SHA-256: 230830f465130a2b05d484492f0f1df43b331a6ab58af3f3047f791295c2bbcb

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains multiple embedded URLs, with a high-confidence heuristic identifying a lure for game hacks and generators. The primary URL, 'https://netcdn.xyz/app/406889139/coin-master-free-game-hack', is directly linked to this lure. While no scripts were explicitly extracted, the PDF structure and embedded links suggest a social engineering tactic to redirect users to potentially malicious content, likely for malware distribution or phishing.

Machine Learning

Nyx PDF Classifier malicious score 0.9632

Heuristics 4

PDF links to a 'free generator / game hack' redirector high 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.
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
External URI info PDF_URI

PDF contains an external URL action
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/coin-master-free-game-hack PDF link annotation
- https://heritagebanquethall.ca/images/freespinandcoin-blogspot_GM406889139.pdfIn PDF document text
- https://heritagebanquethall.ca/images/minecraft-games-free-download_GM479516143.pdfIn PDF document text
- https://heritagebanquethall.ca/images/free-limiteds-roblox_GM431946152.pdfIn PDF document text
- https://heritagebanquethall.ca/images/bux-life-free-robux_GM431946152.pdfIn PDF document text
- https://heritagebanquethall.ca/images/fast-robux-online_GM431946152.pdfIn PDF document text
- https://heritagebanquethall.ca/images/coin-master-hacks-2021_GM406889139.pdfIn PDF document text
- https://heritagebanquethall.ca/images/coin-master-free-coins-and-spins-link_GM406889139.pdfIn PDF document text
- https://heritagebanquethall.ca/images/roblox-fun-com-robux_GM431946152.pdfIn PDF document text
- https://heritagebanquethall.ca/images/free-spins-and-coins-coin-master-2021_GM406889139.pdfIn PDF document text
- https://heritagebanquethall.ca/images/minecraft-windows-10-code-free_GM479516143.pdfIn PDF document text
- https://heritagebanquethall.ca/images/how-to-change-roblox-username-for-free-2021_GM431946152.pdfIn PDF document text
- https://heritagebanquethall.ca/images/coin-master-hack-apk-35-33_GM406889139.pdfIn PDF document text
- https://heritagebanquethall.ca/images/free-links-coin-master_GM406889139.pdfIn PDF document text
- https://heritagebanquethall.ca/images/coin-master-free-coins-and-spins-hack_GM406889139.pdfIn PDF document text
- https://heritagebanquethall.ca/images/how-do-i-get-free-robux_GM431946152.pdfIn PDF document text
- https://heritagebanquethall.ca/images/spin-free-coin-master_GM406889139.pdfIn PDF document text
- https://heritagebanquethall.ca/images/free-robux-no-gift-card_GM431946152.pdfIn PDF document text
- https://heritagebanquethall.ca/images/robux-no-human-verification_GM431946152.pdfIn PDF document text
- https://heritagebanquethall.ca/images/roblox-play-now-for-free_GM431946152.pdfIn PDF document text
- https://heritagebanquethall.ca/images/free-robux-com-real_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.

Filename	Kind	Source	Size
`stream_003_off00004b18.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4B18	25188 bytes
SHA-256: `ddea0034a70a15d6b47c4582cfc9e7bda8582200c0cd96eaf7259a9d84e0acaa`
`font_01_sfnt_off00008532.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8532	2880 bytes
SHA-256: `10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132`
`font_02_sfnt_off00008f1d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8F1D	17712 bytes
SHA-256: `0afd6f2792edb83b7f2a0201a1e0a5eb12ca81ad868fb3e42742340ee6e5fb0e`

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