Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e325f12306f3c60…

MALICIOUS

PDF

75.0 KB Created: 2021-03-12 21:45:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-02
MD5: 2877fc846f825fa92ad101706135759c SHA-1: ccb7c149df336d9db440952aac28e574241eaa3d SHA-256: 5e325f12306f3c60c04982b6483a5c66fc2f2a7710602da1ce8f6b71c9ba7ccf
184 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged as malicious by multiple heuristics and a machine learning classifier. It contains numerous embedded URLs pointing to disposable domains and redirector infrastructure, suggesting a phishing or scam attempt. The presence of these links indicates an attempt to direct users to malicious websites, likely for credential harvesting or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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 is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://crophysi.ru/aws?utm_term=bowflex+xtreme+2+cheap In PDF document text
    • http://gufelujoziwuki.iblogger.org/how_to_repair_a_whirlpool_cabrio_washing_machine.pdfIn PDF document text
    • https://cdn.sqhk.co/tifapoxur/9ighgji/26244206692.pdfIn PDF document text
    • http://gobigs.space/carl_jung_personality_test_history4jst5.pdfIn PDF document text
    • http://xusibuvuzos.22web.org/govuvolixoj.pdfIn PDF document text
    • http://gravkamen.ru/raxuzopakuzaa22y8.pdfIn PDF document text
    • https://cdn.sqhk.co/butemobe/fZwgfbr/mazadaredasimuvetakutu.pdfIn PDF document text
    • http://topijakalez.22web.org/zufesumaxafa.pdfIn PDF document text
    • https://cdn.sqhk.co/miraroki/abQhgdp/meme_sounds_download.pdfIn PDF document text
    • https://cdn.sqhk.co/xuxofidipo/hhbQwhe/zabawudowup.pdfIn PDF document text
    • https://cdn.sqhk.co/fewoxenovof/g2ZxGij/64964415992.pdfIn PDF document text
    • http://giocodigital.fun/circulation_aha_guidelines_2010s8vg8.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://zumijuxuv.epizy.com/nursing_quality_improvement_project_template.pdfIn PDF document text
    • http://ravizovagusemav.epizy.com/what_do_you_mean_by_the_skin_of_your_teeth.pdfIn PDF document text
    • http://zijowosep.rf.gd/watchmen_full_movie_in_hindi_free_download_300mb.pdfIn PDF document text
    • https://f5071db7-799c-4807-8cfa-c66b012f33b1.filesusr.com/ugd/9a4546_82f6c5ddaab547e1b21ebbdad7125b8a.pdf?index=trueIn PDF document text
    • http://womopemi.epizy.com/fulipizepulubugune.pdfIn PDF document text
    • https://8f20b4bd-83f7-4a55-8c6f-e9501e2e061c.filesusr.com/ugd/c1c462_c7d79b89d7414921b40a0db722830be4.pdf?index=trueIn PDF document text
    • http://wusugan.rf.gd/xuzugabiwipavefifusawimuz.pdfIn PDF document text
    • https://72a23b54-95c1-47c0-80d6-f7b1310faeb8.filesusr.com/ugd/65b209_ad150cbae37c416195a873a8a482d590.pdf?index=trueIn 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/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e503.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE503 5416 bytes
SHA-256: 1083984c85f35017592e6e99ea8d1e6e8d1e32b17fed2f350a326df69b45f379
font_01_sfnt_off0000f760.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF760 11228 bytes
SHA-256: 86109cb9ec1fd15a191b11c4fcf2385c40dc9c2787c977b66e4d9ebb3955b50d

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