Malicious PDF — malware analysis report

Static analysis result for SHA-256 e7d326aaa4a85e32…

MALICIOUS

PDF

130.4 KB Created: 2022-07-06 01:09:29 +00:00 Authoring application: quihar (via PDF Master 1.0.1) First seen: 2022-07-15
MD5: 3cf68157e34fe1786474696b0e6d2f80 SHA-1: aba52266056a59adb563734e0f62a1e41772e0c5 SHA-256: e7d326aaa4a85e3220dc824058f13bd135381779255634ebedc78567490a028f
74 Risk Score

Malware Insights

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

The PDF document contains multiple links advertising cracked software, indicating a lure for users to download potentially malicious applications. One link, specifically identified as algorithmically generated, points to a URL that appears to be part of this software piracy scheme. The document's primary function is to redirect users to these sites, likely as a distribution vector for malware.

Machine Learning

  • Nyx PDF Classifier clean score 0.0090

Heuristics 4

  • PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
  • 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://dormister.com/shortsighted/?ZG93bmxvYWR8c3k0TVRVME0zeDhNVFkxTnpBMk56RTFOSHg4TWpVM05IeDhLRTBwSUhKbFlXUXRZbXh2WnlCYlJtRnpkQ0JIUlU1ZA=hofburg&V2luZG93cyAxMCBFbnRlcnByaXNlIE4gTFRTQyAyMDE5IEVTRCBlbi1VUyBOT1YgMjAxOCB7R2VuMn0gU2VyaWFsIEtleSBrZXlnZW4V2l=aircrews.darwin.demandable&heave=maputo PDF link annotation
    • https://goto.business/free-classified-ads/advert/freelance-job/In PDF document text
    • https://knowconhecimento.com/fickende-kinder/In PDF document text
    • https://mandarinrecruitment.com/system/files/webform/bertedys59.pdfIn PDF document text
    • https://verycheapcars.co.zw/advert/arcsoft-photostudio-6-activation-code-crack-zip-high-quality/In PDF document text
    • http://www.danielecagnazzo.com/?p=32062In PDF document text
    • http://www.jbdsnet.com/?p=18291In PDF document text
    • http://rwpj.jp/wp-content/uploads/2022/07/heneldw.pdfIn PDF document text
    • https://umojacommunity.org/system/files/webform/download-xforce-keygen-ReCap-Pro-2007-Free-Download.pdfIn PDF document text
    • https://yietnam.com/upload/files/2022/07/pQyNDbhkhZ4bLXJevbwg_06_98db73b3cf7f61167e24068e4314e022_file.pdfIn PDF document text
    • https://mandarinrecruitment.com/system/files/webform/kmspico-923-finalthumperdc-download-pc.pdfIn PDF document text
    • http://margheritapelaschier.com/?p=4406In PDF document text
    • https://www.jpgcars.com/blog/136735In PDF document text
    • http://iselinfamilylaw.com/radioboss-5-7-0-7-7z-serial-key-keygen-link/In PDF document text
    • http://barrillos.org/2022/07/06/ta-ra-rum-pum-2-full-movie-hd-1080p-download-best/In PDF document text
    • http://sturgeonlakedev.ca/2022/07/06/twilightrenderpluginsketchupcrack-link/In PDF document text
    • https://www.tailormade-logistics.com/sites/default/files/webform/rs-aggarwal-mathematics-class-6-pdf-download.pdfIn PDF document text
    • https://www.reiki.swiss/blog/index.php?entryid=5179In PDF document text
    • https://maturesensual.sexy/wp-content/uploads/2022/07/ReCap_Pro_2019_crack_xforce_keygen_adobe.pdfIn PDF document text
    • https://www.myshareshow.com/upload/files/2022/07/hv9bjxxdBYgsi9d6tdRn_06_4f45dab2c3e932b72e57b1bac203ac18_file.pdfIn PDF document text
    • https://coolbreezebeverages.com/seven-souls-online/In PDF document text
    • http://www.tcpdf.orgIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://www.aiim.org/pdfa/ns/extension/In PDF document text
    • http://www.aiim.org/pdfa/ns/schema#In PDF document text
    • http://www.aiim.org/pdfa/ns/property#In PDF document text
    • http://www.aiim.org/pdfa/ns/id/In PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_010_off000199a4.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x199A4 119072 bytes
SHA-256: df221e87b81d1531cafdadb6c09a602e9f604d1baf0a17bbd350cbb83baa06f7

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