PDF malware analysis — malicious · 5e05a86c9977f3c1

MALICIOUS

PDF

48.6 KB Created: 2021-05-31 01:59:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-16

MD5: b0e5db4f7acaae0d8ea980429e020006 SHA-1: 7b1ed92c1d7c14ad5491fc59c7224229b3b001f0 SHA-256: 5e05a86c9977f3c1439404901956fcee56561fbccdc8a2e2db5b94403a415712

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple links to external websites, including one identified as a malicious redirector for 'free generator / game hack' content. The document body and embedded URLs suggest a lure for game-related cheats or currency, aiming to entice users to click through to potentially malicious sites. No scripts were extracted, but the presence of numerous embedded URLs and the critical heuristic firings strongly indicate a phishing or malware distribution attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.8017

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/roblox-hacks-2021-game-hack In PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/download-minecraft-free-hiapphere_GM479516143.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/coin-master-daily-gift-free-spins-and-coins-link_GM406889139.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-robux-generator-no-verification_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/minecraft-fly-hack_GM479516143.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-get-minecraft-for-free-on-iphone_GM479516143.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/minecraft-pe-free-apk_GM479516143.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-minecraft-server-hosting-24-7_GM479516143.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-minecraft-hosting_GM479516143.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-robux-without-verification-2021_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/is-minecraft-bedrock-edition-free_GM479516143.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/robuxlove-net-free-robux_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-robux-legit_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-get-minecraft-for-free-on-ps4_GM479516143.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-robux-site_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/roblox-jailbreak-hack_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/coin-master-hack-2021_GM406889139.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-get-free-robux-on-computer_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/minecraft-bedrock-edition-download-pc-free_GM479516143.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/mine-minecraft-games-for-free_GM479516143.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/minecraft-svg-free_GM479516143.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-coins-coin-master_GM406889139.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-get-free-coins-on-tiktok_GM835599320.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/get-free-followers-on-tiktok_GM835599320.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/get-free-robux_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-roblox-accounts-with-robux-2021_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-tiktok-accounts-with-followers_GM835599320.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-tiktok-likes-no-human-verification-or-downloading-apps_GM835599320.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/haktuts-coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/coin-master-free-spin-ml_GM406889139.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-tiktok-likes-and-followers_GM835599320.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_off00005264.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5264	27232 bytes
SHA-256: `f1663628401e8d078e67336595f99641ba0c2ddd942ca49d241d226ea032817e`
`font_01_sfnt_off0000901b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x901B	2832 bytes
SHA-256: `77ae1c4cffa647a8fd533dfa4102e94364989f9e80b9cd131876e9d1005899a2`
`font_02_sfnt_off000099cc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x99CC	18584 bytes
SHA-256: `09e382df304bf090e7d4979f9a4a25aa7e11969d647bdc760e706e621b680adc`

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