PDF malware analysis — malicious · cc933261979a18f9

MALICIOUS

PDF

31.2 KB Created: 2021-06-30 16:03:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-14

MD5: 35b8f843ae967e3b877438628c4b0088 SHA-1: bd0110e7f10c609d65faf4f6aa486e550f6a6706 SHA-256: cc933261979a18f98cd7274614ed53a96a419e4f39546ae0cd08f1632d582697

212 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF file contains numerous links designed to appear as game hacks and cheats, such as for Roblox and Coin Master. These links redirect to malicious domains, including a known redirector, indicating a phishing or scam attempt. The document body and heuristics suggest a lure for potentially unwanted or malicious content, likely delivered as a spearphishing attachment.

Machine Learning

Nyx PDF Classifier malicious score 0.9988

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.
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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 http://netcdn.co/app/431946152/phantom-forces-roblox-cheat-codes-game-hack In PDF document text
- http://dndprinting.com/new/public/ckfinder/userfiles/files/free-robux-gift-cards-no-survey_GM431946152.pdfIn PDF document text
- http://dndprinting.com/new/public/ckfinder/userfiles/files/coin-master-apk-mod-hack-download_GM406889139.pdfIn PDF document text
- http://dndprinting.com/new/public/ckfinder/userfiles/files/how-to-get-free-robux-on-roblox-2021-no-hacks_GM431946152.pdfIn PDF document text
- http://dndprinting.com/new/public/ckfinder/userfiles/files/pokemon-go-free-gps-hack_GM1094591345.pdfIn PDF document text
- http://dndprinting.com/new/public/ckfinder/userfiles/files/free-robux-without-human-verification-real_GM431946152.pdfIn PDF document text
- http://dndprinting.com/new/public/ckfinder/userfiles/files/robux-place-rewards_GM431946152.pdfIn PDF document text
- http://dndprinting.com/new/public/ckfinder/userfiles/files/coin-master-hack-without-verification-2021_GM406889139.pdfIn PDF document text
- http://dndprinting.com/new/public/ckfinder/userfiles/files/download-coin-master-apk-hacked_GM406889139.pdfIn PDF document text
- http://dndprinting.com/new/public/ckfinder/userfiles/files/roblox-join-game-hack_GM431946152.pdfIn PDF document text
- http://dndprinting.com/new/public/ckfinder/userfiles/files/free-minecraft-capes_GM479516143.pdfIn PDF document text
- http://dndprinting.com/new/public/ckfinder/userfiles/files/totally-free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
- http://dndprinting.com/new/public/ckfinder/userfiles/files/free-vip-roblox_GM431946152.pdfIn PDF document text
- http://dndprinting.com/new/public/ckfinder/userfiles/files/without-pokemon-go-free-account_GM1094591345.pdfIn PDF document text
- http://dndprinting.com/new/public/ckfinder/userfiles/files/roblox-prison-life-hack_GM431946152.pdfIn PDF document text
- http://dndprinting.com/new/public/ckfinder/userfiles/files/how-to-get-free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
- http://dndprinting.com/new/public/ckfinder/userfiles/files/free-robux-without-verification_GM431946152.pdfIn PDF document text
- http://dndprinting.com/new/public/ckfinder/userfiles/files/robux-gratuits-rapidement-cheat-pc_GM431946152.pdfIn PDF document text
- http://dndprinting.com/new/public/ckfinder/userfiles/files/how-to-get-followers-on-tiktok-for-free_GM835599320.pdfIn PDF document text
- http://dndprinting.com/new/public/ckfinder/userfiles/files/how-to-make-roblox-clothes-for-free_GM431946152.pdfIn PDF document text
- http://dndprinting.com/new/public/ckfinder/userfiles/files/free-hacks-with-no-virus-for-roblox-aimbot_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000030d9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x30D9	22272 bytes
SHA-256: `554906a2371c5733c5ff4f24b1f6480912341cc631fdd6ba7bfe69a67c3ed95c`

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