PDF malware analysis — malicious · d55a7d463b6ec32a

MALICIOUS

PDF

35.6 KB Created: 2021-06-25 08:02:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07

MD5: 90ee2930a11fc06d0568de83942039ec SHA-1: 553fc74556f2b9eb4c472ccde3772cea0df8b28a SHA-256: d55a7d463b6ec32a6656736642afce960de491a007423966cfee6fb4c037f85e

220 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF file contains numerous links to websites that offer game hacks and generators, such as 'roblox-a-cawnt-hack-game-hack'. The document body and heuristics indicate a lure to click these links, which likely lead to malicious content or further malware. While no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest a phishing or redirection attack.

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.co/app/431946152/roblox-a-cawnt-hack-game-hack In PDF document text
- http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/how-to-hack-a-roblox-account-2021_GM431946152.pdfIn PDF document text
- http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/coin-master-hack-without-verification-site-zyngaplayerforumscom_GM406889139.pdfIn PDF document text
- http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
- http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/free-minecraft-account-and-password_GM479516143.pdfIn PDF document text
- http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/como-hackear-coin-master_GM406889139.pdfIn PDF document text
- http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/real-free-robux-generator_GM431946152.pdfIn PDF document text
- http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/static-moonactive-net-rewards_GM406889139.pdfIn PDF document text
- http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/roblox-tix-generator_GM431946152.pdfIn PDF document text
- http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/coin-master-cheats-for-free-spins_GM406889139.pdfIn PDF document text
- http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/how-to-get-free-skins-in-roblox_GM431946152.pdfIn PDF document text
- http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/coin-master-hack-tool-download_GM406889139.pdfIn PDF document text
- http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/free-spins-for-coin-master_GM406889139.pdfIn PDF document text
- http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/app-for-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/hack-minecraft_GM479516143.pdfIn PDF document text
- http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/coin-master-daily-free-spins_GM406889139.pdfIn PDF document text
- http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/real-hack-for-coin-master_GM406889139.pdfIn PDF document text
- http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/coin-master-hack-online-link_GM406889139.pdfIn PDF document text
- http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/hack-point-vampire-hunters-roblox_GM431946152.pdfIn PDF document text
- http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/coin-master-online-hack-tool_GM406889139.pdfIn PDF document text
- http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/how-to-get-free-roblox-money_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_off000033d7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x33D7	22496 bytes
SHA-256: `9e8c2955037f73b15af2a5f2afd4cf491d1a8b7310af06fdcd9883b742a0adc8`
`font_01_sfnt_off0000663e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x663E	18924 bytes
SHA-256: `1335377403a40b72a6c821640846f8ae34b7fa468ca4d76bbd8b5835774eecf3`

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