PDF malware analysis — malicious · 8284fa430a6813c9

MALICIOUS

PDF

52.0 KB Created: 2021-05-31 09:17:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 3428d932f72e359275447f16287c0d47 SHA-1: ba406ed614612b742dc5ce4ea61a418c9c923aee SHA-256: 8284fa430a6813c9b4b50a02c85e3fb24fbd189f279bf293c9bed52b25f98445

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. It uses a callback-phone (TOAD) lure. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.8089

Heuristics 5

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.
Callback phishing phone lure medium SE_CALLBACK_LURE

Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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/431946152/robloxgiveaway-xyz-roblox-online-hack-game-hack PDF link annotation
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/microsoft-free-robux_GM431946152.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/how-to-get-minecraft-pe-for-free_GM479516143.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/how-to-get-minecraft-bedrock-edition-for-free_GM479516143.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/how-to-get-minecraft-for-free-on-iphone_GM479516143.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/minecraft-free-download-ios_GM479516143.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/minecraft-pe-free_GM479516143.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/minecraft-free-ios-2021_GM479516143.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/how-to-hack-roblox-accounts-on-phone_GM431946152.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/rbx-gg-free-robux_GM431946152.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/is-minecraft-free-on-xbox_GM479516143.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/real-free-robux-codes_GM431946152.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/free-minecraft-mods_GM479516143.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/coin-master-free-spins-link-today-new_GM406889139.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/free-robux-kid-friendly-no-human-verification_GM431946152.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/how-to-get-free-robux-without-verification_GM431946152.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/freer-pro-tiktok-fans_GM835599320.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/free-views-on-tiktok_GM835599320.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/minecraft-apk-free-download_GM479516143.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/how-to-hack-work-at-a-pizza-place-roblox-2021_GM431946152.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/coin-master-free-cards_GM406889139.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/is-minecraft-free-on-nintendo-switch_GM479516143.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/free-robux-giveaway_GM431946152.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/free-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/minecraft-toys-for-free_GM479516143.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/minecraft-fly-hack_GM479516143.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/free-robux-pastebin_GM431946152.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/how-to-get-free-spins-on-coin-master_GM406889139.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_004_off00005b93.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5B93	28000 bytes
SHA-256: `2d4dd9b137dc5a6c2e103e5dc5c1c4af6563b4fcd5c6f0f5e78a196a003dfbdc`
`font_01_sfnt_off00009b50.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9B50	2896 bytes
SHA-256: `0f10adbf105d053971010bc1f17c4dd55814d599674c84f75a6eb4cb46a9c89b`
`font_02_sfnt_off0000a547.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA547	19132 bytes
SHA-256: `156c208ba227a7f5e9a46086022faf227c93d48612c209b8ee9abd23a7f7d6ad`

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