PDF malware analysis — malicious · 6932678d4f463ec4

MALICIOUS

PDF

60.3 KB Created: 2021-05-30 20:13:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-14

MD5: d76914079d9a2e525cca52d8da39e83c SHA-1: bdd6f4afbac5b653f1f7cdb5ca26bd0389b3e9e5 SHA-256: 6932678d4f463ec4814aefc60bf5d97f23e1f113245df3716d57701207003fbb

130 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains embedded links that redirect to a known malicious infrastructure, masquerading as a generator for free Robux or game hacks. The document body and heuristics indicate a lure to trick users into visiting these malicious sites, likely as part of a phishing or scam campaign. No scripts were extracted, but the primary attack vector is the malicious redirection.

Machine Learning

Nyx PDF Classifier suspicious score 0.3277

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/431946152/free-robux-websites-that-actually-work-game-hack In PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/minecraft-svg-free_GM479516143.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/free-minecraft-maps_GM479516143.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/rblx-city-free-robux_GM431946152.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/minecraft-pe-free-ios_GM479516143.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/get-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/how-to-get-free-robux-without-paying_GM431946152.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/how-to-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/coin-master-hack-2021_GM406889139.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/free-robux-promo-codes-2021_GM431946152.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/roblox-promo-codes-free-robux_GM431946152.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/how-to-get-free-robux-for-kids_GM431946152.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/free-robux-without-verification-2021_GM431946152.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/robux-free-2021_GM431946152.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/robux-hack-generator_GM431946152.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/minecraft-pocket-edition-free_GM479516143.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/free-spins-and-coins-coin-master_GM406889139.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/how-to-hack-robux_GM431946152.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/minecraft-free-computer-game_GM479516143.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/coin-master-free-spin-and-coins-links-2021_GM406889139.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/free-coins-on-coin-master_GM406889139.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/coin-master-daily-free-spins-and-coins_GM406889139.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/minecraft-pe-free_GM479516143.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/coin-master-free-daily-spins-link_GM406889139.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/roblox-free-robux-codes_GM431946152.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/free-tiktok-followers-instantly_GM835599320.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/free-minecraft-skin-maker_GM479516143.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/free-robux-generator-2021_GM431946152.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/how-to-get-a-cape-in-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/minecraft-pc-free_GM479516143.pdfIn PDF document text
- https://www.bandicam.comIn 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_003_off0000538a.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x538A	40304 bytes
SHA-256: `5103e5c1fdc052fb050d0846f647b32b33d5659487be763c8a748b96361712fb`
`font_01_sfnt_off0000acfc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xACFC	3884 bytes
SHA-256: `40b61f8938bd710dc29dc58ba3fde91c245a6a69596ec569b4d27c769ca417cf`
`font_02_sfnt_off0000b99f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB99F	5596 bytes
SHA-256: `9a13c2580265a78e8a7257496a31ee0055738af7e20a5661c2902efe4bf05ce5`
`font_03_sfnt_off0000c646.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC646	19252 bytes
SHA-256: `f49525d2cb353299e95430044cca9c62699809686ebb763340304ea0e82a2cbb`

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