Malicious PDF — malware analysis report

Static analysis result for SHA-256 e030629ff08e7009…

MALICIOUS

PDF

43.2 KB Created: 2021-05-12 21:14:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-25
MD5: 5eb2073d153b7df7cf8116f15ac58d73 SHA-1: 0fd91e2fda7a96c2f2893ae0f567c83e1096f61e SHA-256: e030629ff08e700995f1bb6016472f40d3afb8b63427ab7c21e72c13b7f0b25b
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains multiple links to redirector infrastructure, specifically promoting 'game hacks' and 'free generators' for popular games. The primary lure URL is https://netcdn.xyz/app/406889139/coin-master-free-box-game-hack, which is associated with malicious redirector activity. The document body and embedded URLs reinforce this theme, suggesting a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

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 https://netcdn.xyz/app/406889139/coin-master-free-box-game-hack In PDF document text
    • http://famoirs.co.uk/images/coin-master-tiradas-gratis_GM406889139.pdfIn PDF document text
    • http://famoirs.co.uk/images/coin-master-free-spins-moonactive_GM406889139.pdfIn PDF document text
    • http://famoirs.co.uk/images/how-to-get-hacks-on-roblox_GM431946152.pdfIn PDF document text
    • http://famoirs.co.uk/images/how-to-get-free-robux-without-verifying_GM431946152.pdfIn PDF document text
    • http://famoirs.co.uk/images/hacks-for-roblox-prison-life_GM431946152.pdfIn PDF document text
    • http://famoirs.co.uk/images/how-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://famoirs.co.uk/images/is-minecraft-java-edition-free_GM479516143.pdfIn PDF document text
    • http://famoirs.co.uk/images/robux-earning-sites_GM431946152.pdfIn PDF document text
    • http://famoirs.co.uk/images/minecraft-bedrock-edition-free_GM479516143.pdfIn PDF document text
    • http://famoirs.co.uk/images/download-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://famoirs.co.uk/images/free-robux-ad_GM431946152.pdfIn PDF document text
    • http://famoirs.co.uk/images/roblox-lawsuit_GM431946152.pdfIn PDF document text
    • http://famoirs.co.uk/images/how-can-you-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://famoirs.co.uk/images/coin-master-free-foxy-food_GM406889139.pdfIn PDF document text
    • http://famoirs.co.uk/images/roblox-builders-club-free_GM431946152.pdfIn PDF document text
    • http://famoirs.co.uk/images/free-robux-rewards_GM431946152.pdfIn PDF document text
    • http://famoirs.co.uk/images/roblox-imagine_GM431946152.pdfIn PDF document text
    • http://famoirs.co.uk/images/coin-master-blogspot-links_GM406889139.pdfIn PDF document text
    • http://famoirs.co.uk/images/free-robux-codes-no-human-verification_GM431946152.pdfIn PDF document text
    • http://famoirs.co.uk/images/robux-hack-me_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.

FilenameKindSourceSize
stream_003_off000049ec.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x49EC 29168 bytes
SHA-256: 27f9a149cf58e6acdc2d99b5853e194e4522e2ea3c4b819f17599b134137072f
font_01_sfnt_off000086f7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x86F7 18136 bytes
SHA-256: 5014548489084bc1526755bbac0a98ccda01ba1b83bc85692c033af51eabd5d8

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