PDF malware analysis — malicious · 485e6fe658681842

MALICIOUS

PDF

34.4 KB Created: 2021-07-05 01:09:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-27

MD5: 561842fd423144d646969028c086e997 SHA-1: 7e8c4a229e9b152d3e93ba3068fb9f01401a035f SHA-256: 485e6fe658681842847ac30e63f9da9be876eb56ced007908e6c68a2041247f1

220 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external websites, many of which are part of a link farm designed to lure users with promises of game hacks and free in-game currency. One primary URL, http://netcdn.tw/app/479516143/minecraft-name-tag-hacks-game-hack, is identified as a malicious redirector. The document's structure and content strongly suggest a phishing or scam attempt, likely delivered as a spearphishing attachment.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 5

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.
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.tw/app/479516143/minecraft-name-tag-hacks-game-hack In PDF document text
- http://www.majdoorkalyansamiti.org/uploaded_files/userfiles/files/roblox-snyapse-free-dec_GM431946152.pdfIn PDF document text
- http://www.majdoorkalyansamiti.org/uploaded_files/userfiles/files/coin-master-free-spins-2021-app-download_GM406889139.pdfIn PDF document text
- http://www.majdoorkalyansamiti.org/uploaded_files/userfiles/files/buy-robux-free_GM431946152.pdfIn PDF document text
- http://www.majdoorkalyansamiti.org/uploaded_files/userfiles/files/free-codes-giftcards-robux_GM431946152.pdfIn PDF document text
- http://www.majdoorkalyansamiti.org/uploaded_files/userfiles/files/good-games-to-hack-on-roblox_GM431946152.pdfIn PDF document text
- http://www.majdoorkalyansamiti.org/uploaded_files/userfiles/files/roblox-hacked-com-2021_GM431946152.pdfIn PDF document text
- http://www.majdoorkalyansamiti.org/uploaded_files/userfiles/files/how-to-get-free-robux-on-tablet-2021_GM431946152.pdfIn PDF document text
- http://www.majdoorkalyansamiti.org/uploaded_files/userfiles/files/coin-master-free-chest-link_GM406889139.pdfIn PDF document text
- http://www.majdoorkalyansamiti.org/uploaded_files/userfiles/files/robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
- http://www.majdoorkalyansamiti.org/uploaded_files/userfiles/files/coin-master-free-spins-link-without-human-verification_GM406889139.pdfIn PDF document text
- http://www.majdoorkalyansamiti.org/uploaded_files/userfiles/files/pokemon-go-free-90hz_GM1094591345.pdfIn PDF document text
- http://www.majdoorkalyansamiti.org/uploaded_files/userfiles/files/how-to-hack-black-hawk-mission-2-roblox_GM431946152.pdfIn PDF document text
- http://www.majdoorkalyansamiti.org/uploaded_files/userfiles/files/coin-master-hacks-no-downloading_GM406889139.pdfIn PDF document text
- http://www.majdoorkalyansamiti.org/uploaded_files/userfiles/files/roblox-meep-city-plus-hack_GM431946152.pdfIn PDF document text
- http://www.majdoorkalyansamiti.org/uploaded_files/userfiles/files/free-robux-games-on-roblox_GM431946152.pdfIn PDF document text
- http://www.majdoorkalyansamiti.org/uploaded_files/userfiles/files/best-free-minecraft-skins_GM479516143.pdfIn PDF document text
- http://www.majdoorkalyansamiti.org/uploaded_files/userfiles/files/coin-master-free-spins-hack-download_GM406889139.pdfIn PDF document text
- http://www.majdoorkalyansamiti.org/uploaded_files/userfiles/files/caught-my-girlfriend-cheating-in-roblox_GM431946152.pdfIn PDF document text
- http://www.majdoorkalyansamiti.org/uploaded_files/userfiles/files/are-there-any-free-sword-on-roblox_GM431946152.pdfIn PDF document text
- http://www.majdoorkalyansamiti.org/uploaded_files/userfiles/files/coin-master-free-gift-links-2021_GM406889139.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_off00003169.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3169	22668 bytes
SHA-256: `f97a4b9ecf2261eaca1c5291fcfc45308f266b0e92409eee123da686e21bd323`
`font_01_sfnt_off00006428.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6428	18288 bytes
SHA-256: `eb7ed4260d6d64c3cd9f3242d6af3157cea31df7eff6e4be90ec8e6c005c47d1`

Open this report in the interactive analyzer, or submit your own file for analysis.