PDF malware analysis — malicious · ea2a3e32dc146ce2

MALICIOUS

PDF

34.4 KB Created: 2021-07-05 16:11:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13

MD5: 69f895adcfb05adc654ec10addac2177 SHA-1: 6cb48de225d0502cc0bdb98a18798b1cdc8aa5a9 SHA-256: ea2a3e32dc146ce21701df4308dd0a302089fe243b6c9f5f1c016e72f23a5bd1

220 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains multiple links to malicious redirectors and SEO link farms, masquerading as generators for in-game currency and items for popular games like Roblox and Coin Master. The document body and embedded URLs strongly suggest a social engineering lure to drive traffic to potentially malicious sites. No scripts were extracted, but the PDF structure and embedded links are indicative of a phishing or scam attempt.

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/431946152/free-back-accessories-roblox-game-hack In PDF document text
- https://e-learning.mtsn5klaten.sch.id/__statics/gudangsoal/files/how-to-get-bc-on-roblox-for-free-2021_GM431946152.pdfIn PDF document text
- https://e-learning.mtsn5klaten.sch.id/__statics/gudangsoal/files/coin-master-free-spins-and-coins-today-gift-reward_GM406889139.pdfIn PDF document text
- https://e-learning.mtsn5klaten.sch.id/__statics/gudangsoal/files/free-roblox-accounts-generator_GM431946152.pdfIn PDF document text
- https://e-learning.mtsn5klaten.sch.id/__statics/gudangsoal/files/coin-master-gold-cards-hack_GM406889139.pdfIn PDF document text
- https://e-learning.mtsn5klaten.sch.id/__statics/gudangsoal/files/coin-master-hack-pro-gamers_GM406889139.pdfIn PDF document text
- https://e-learning.mtsn5klaten.sch.id/__statics/gudangsoal/files/how-to-hack-roblox-to-get-robux_GM431946152.pdfIn PDF document text
- https://e-learning.mtsn5klaten.sch.id/__statics/gudangsoal/files/how-to-hack-robux-1_GM431946152.pdfIn PDF document text
- https://e-learning.mtsn5klaten.sch.id/__statics/gudangsoal/files/gift-card-roblox-free-codes_GM431946152.pdfIn PDF document text
- https://e-learning.mtsn5klaten.sch.id/__statics/gudangsoal/files/where-to-get-robux_GM431946152.pdfIn PDF document text
- https://e-learning.mtsn5klaten.sch.id/__statics/gudangsoal/files/how-to-get-minecraft-for-free-on-iphone_GM479516143.pdfIn PDF document text
- https://e-learning.mtsn5klaten.sch.id/__statics/gudangsoal/files/pokemon-go-free-and-home-transfer_GM1094591345.pdfIn PDF document text
- https://e-learning.mtsn5klaten.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-promo-codes_GM431946152.pdfIn PDF document text
- https://e-learning.mtsn5klaten.sch.id/__statics/gudangsoal/files/roblox-free-exploits_GM431946152.pdfIn PDF document text
- https://e-learning.mtsn5klaten.sch.id/__statics/gudangsoal/files/robux-hack-working-2021_GM431946152.pdfIn PDF document text
- https://e-learning.mtsn5klaten.sch.id/__statics/gudangsoal/files/free-roblox-army-groups_GM431946152.pdfIn PDF document text
- https://e-learning.mtsn5klaten.sch.id/__statics/gudangsoal/files/robux-game-com_GM431946152.pdfIn PDF document text
- https://e-learning.mtsn5klaten.sch.id/__statics/gudangsoal/files/how-to-hack-to-get-robux_GM431946152.pdfIn PDF document text
- https://e-learning.mtsn5klaten.sch.id/__statics/gudangsoal/files/get-free-robux-gg_GM431946152.pdfIn PDF document text
- https://e-learning.mtsn5klaten.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
- https://e-learning.mtsn5klaten.sch.id/__statics/gudangsoal/files/best-way-to-hack-coin-master_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_off00003154.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3154	21872 bytes
SHA-256: `4adacf3878fda027bcb0ad9ef152ada79036dcae6a369b7c2976b1afd1a439a8`
`font_01_sfnt_off000061ba.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x61BA	18940 bytes
SHA-256: `8a04b7d8a86c5371abb6883ae43cb354396bf9db685deaa35b27b15c7d7e841e`

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