Malicious PDF — malware analysis report

Static analysis result for SHA-256 68b4f508346ef366…

MALICIOUS

PDF

124.4 KB Created: 2022-06-09 22:55:11 +02:00 Authoring application: quafran (via PDF Master 1.0.1) First seen: 2022-07-15
MD5: ccacd1e2aa21695cceb1dd7b13265570 SHA-1: b4d530fe6550b1091555f69071c37a39f1cc02fe SHA-256: 68b4f508346ef3661a76bea4939d740c5941e77d96a203be178fd0163e79685f
94 Risk Score

Malware Insights

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

This PDF document contains a large number of external links, many of which advertise cracked or pirated software. The primary heuristic indicates a link farm designed to lure users into downloading potentially malicious files. The embedded URLs and the heuristic firings strongly suggest a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier clean score 0.0206

Heuristics 4

  • 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.
  • PDF link farm advertises cracked/pirated software medium PDF_CRACKED_SOFTWARE_LURE
    PDF contains many clickable links whose targets use cracked-software, keygen, serial-key, or warez vocabulary. These are SEO-spam lure documents that rank for software-piracy searches and route users to fake 'crack' download pages distributing potentially-unwanted programs, adware, or droppers. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://evacdir.com/gifford/RGVzY2FyZ2FyIFBhY2sgRGUgSW1hZ2VuZXMgUG9ybm8gRW4gTWVkaWFmaXJlIFZlcnNpb25yYXIRGV/ZG93bmxvYWR8UkkxWm1KMWFIeDhNVFkxTkRjNE1EYzROM3g4TWpVM05IeDhLRTBwSUhKbFlXUXRZbXh2WnlCYlJtRnpkQ0JIUlU1ZA/ilene/nanshan/?concacaf=myofascial
    • https://www.simonefiocco.com/index.php/2022/06/09/dowland-gta-san-andreas-2012-vip-by-slimthug/
    • https://aurespectdesoi.be/codesys-2-3-keygen-12-hot/
    • https://myvideotoolbox.com/igo-my-way-1080x1920-apk-free-2021-141/
    • https://www.myai-world.com/telecharger-hsmworks-2015-gratuit-avec-crack-64/
    • http://www.ventadecoches.com/crack-file-scavenger-4-1/
    • http://www.eztkerested.hu/upload/files/2022/06/LeGjyyOJGaWNfLuGJzUP_09_f56c1da8c4790279ebdf0fdce757c8f9_file.pdf
    • https://www.riseupstar.com/upload/files/2022/06/BvipHNNpcUENvzYUU5Dm_09_144a3b81c12ece1eda31f588b50f5553_file.pdf
    • http://storytellerspotlight.com/upload/files/2022/06/cmgcb1ZsXDlwNRnhcVyr_09_f56c1da8c4790279ebdf0fdce757c8f9_file.pdf
    • https://startclube.net/upload/files/2022/06/UsvZJ11Aq1mrfLrB2jq2_09_144a3b81c12ece1eda31f588b50f5553_file.pdf
    • https://liverpooladdicts.com/?p=10339
    • http://demo.funneldrivenroi.com/council/upload/files/2022/06/LBVBZU9sxKLU2RIubtRd_09_144a3b81c12ece1eda31f588b50f5553_file.pdf
    • https://sjbparishnaacp.org/2022/06/09/x-force-link-keygen-corel-draw/
    • https://tygerspace.com/upload/files/2022/06/AhWuBSb1z9unanFxqtnL_09_f56c1da8c4790279ebdf0fdce757c8f9_file.pdf
    • https://my.rv.ua/advert/kyles-comments-group-member-since-apr-17-2020/
    • https://likesmeet.com/upload/files/2022/06/vl3VOjNQraNEaMeX1CUb_09_144a3b81c12ece1eda31f588b50f5553_file.pdf
    • https://myinfancy.com/upload/files/2022/06/BeBII6olWKokUfLvpvPF_09_0e55d6fbb22aef2888ec9303245ea599_file.pdf
    • https://holybitcoins.com/?p=8488
    • https://rajnikhazanchi.com/campgrounds-2-the-endorus-expedition-ce-2013-pc-final-torrent/
    • https://boagrobesfolawnki.wixsite.com/etapplosdar/post/house-party-license-key-hot
    • https://mithssicongteku.wixsite.com/coawastirac/post/usb-disk-security-v6-2-0-30-with-key-tordigger-free-download-pc
    • http://www.tcpdf.org
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://www.aiim.org/pdfa/ns/extension/
    • http://www.aiim.org/pdfa/ns/schema#
    • http://www.aiim.org/pdfa/ns/property#
    • http://www.aiim.org/pdfa/ns/id/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00000f3c.bin
a217f12862e0ff75203bdd4136ca0d68471050be46bb09aed5306898926ffdd4		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0xF3C 120140 bytes

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