PDF malware analysis — malicious · 75b52e1fd158df6e

MALICIOUS

PDF

34.6 KB Created: 2021-06-30 02:13:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-11

MD5: 0f9080016a36130497aec0763a303f51 SHA-1: 1b929db4c3b5b89f1cb3606b49bed2225b1e3560 SHA-256: 75b52e1fd158df6e1be15a952d7881a027bba032626de7add9b43c6fb0f5a34c

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains links that redirect to malicious infrastructure, specifically promoting 'free generator / game hack' lures. The document body and embedded URLs reinforce this theme, aiming to trick users into visiting potentially harmful sites. While no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest a phishing or social engineering attack.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/free-roblox-clothes-on-phone-game-hack In PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/free-robux-hack-no-human-verifaction-sponsored_GM431946152.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/how-to-code-roblox-hacks_GM431946152.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/como-hackear-cuentas-de-roblox-con-robux_GM431946152.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/is-minecraft-java-edition-free_GM479516143.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/roblox-cheat-menu_GM431946152.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/hack-coin-master-iphone_GM406889139.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/free-exotics-roblox-assassin_GM431946152.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/island-royale-roblox-hack-esp_GM431946152.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/d-day-the-original-roblox-hacks_GM431946152.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/hack-dragon-ball-online-roblox_GM431946152.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/roblox-hotel-elephant-infinite-money-hack_GM431946152.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/minecraft-free-online_GM479516143.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/hacks-roblox-skywars_GM431946152.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/free-robux-no-logo_GM431946152.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/roblox-cheats-and-hacks-no-download_GM431946152.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/free-roblox-hair-to-wear_GM431946152.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/earn-free-robux-on-roblox_GM431946152.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/coin-master-hack-using-lucky-patcher_GM406889139.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/coin-master-daily-free-spins-link-facebook_GM406889139.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/roblox-shinobi-life-cheat-engine_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00003154.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3154	22108 bytes
SHA-256: `a2cd132e76fa304d23788a638ffd1587d590aee806f3f6d71aac2ecfc581577e`
`font_01_sfnt_off0000622c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x622C	19072 bytes
SHA-256: `0d876bc80bac1be23c7b1314441f10d6b16162a9b9b1e034bc7a0ea2e9a6e4a6`

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