Malicious PDF — malware analysis report

Static analysis result for SHA-256 029122b30ccacefa…

MALICIOUS

PDF

74.5 KB Created: 2021-03-19 11:44:16 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27
MD5: d23b39d07d4466ff46656d0a80ed1c7c SHA-1: 6b6bcc5d67d9ab39777be7ec15d70bbeefed1400 SHA-256: 029122b30ccacefabbcd261c9ee7c2108ac0c23ed604fca5dca2e36788aa6558
126 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan distribution attempt. The document contains numerous links to external websites, including one that appears to be a lure for song downloads, suggesting a phishing or malware delivery vector. The presence of embedded URLs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic strongly suggest the document's primary purpose is to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://botokaw.ru/123?utm_term=chogada+tara+song++mp4+3gp PDF link annotation
    • http://xukukibiku.iblogger.org/porisimitonomivugoz.pdfIn PDF document text
    • https://gixosakovi.weebly.com/uploads/1/3/4/6/134677645/b252041c0c0e55.pdfIn PDF document text
    • http://jefijunanupe.sportsontheweb.net/41346989436.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4473890/normal_603500cbd49d2.pdfIn PDF document text
    • https://vuzupugum.weebly.com/uploads/1/3/1/4/131453250/6465817.pdfIn PDF document text
    • http://dowotezovemalo.mygamesonline.org/bailable_and_non_bailable_offence_crpc.pdfIn PDF document text
    • http://kowojolajamuv.getenjoyment.net/hk_disneyland_map_2019.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4487632/normal_602b4366c8895.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4487381/normal_6039388bc1187.pdfIn PDF document text
    • http://rikopevadibix.iblogger.org/subupusukakekediposug.pdfIn PDF document text
    • https://cdn.sqhk.co/letarezetap/2fjdugc/candomble_religion.pdfIn PDF document text
    • http://gomijojupi.iblogger.org/67505255487.pdfIn PDF document text
    • https://xanosetad.weebly.com/uploads/1/3/1/1/131163691/kudivif_jolune_bajevofetatu_panez.pdfIn PDF document text
    • http://lekagodewod.iblogger.org/fopizakilukunatuzosiwudef.pdfIn PDF document text
    • https://cdn.sqhk.co/dasofuduveje/jcgwe1b/mlb_playoff_bracket_locations_2020.pdfIn PDF document text
    • http://worabipupe.mypressonline.com/black_and_decker_quick_and_easy_food_processor_instructions.pdfIn PDF document text
    • http://movawizaxaxato.mywebcommunity.org/vomidefopulobematusuvav.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://wuvodubox.epizy.com/xoromilurawipuwuve.pdfIn PDF document text
    • http://pususarejopo.epizy.com/31105261783.pdfIn PDF document text
    • http://nuwuzokapa.rf.gd/5681256123.pdfIn PDF document text
    • http://fozuzize.rf.gd/54170027636.pdfIn 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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d1da.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD1DA 5496 bytes
SHA-256: 3318b8556d70eb153e80485d48c18d5860f6642098fb97c56205a8061b1cf493
font_01_sfnt_off0000e468.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE468 10000 bytes
SHA-256: 03b49f7e33372fe4ac84a2a0291471c0d0b12986103b38b1b808ccbfdc8090bd
font_02_sfnt_off00010710.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10710 16096 bytes
SHA-256: 3a87a2a80cb0740ff7ad33dbd9b35031d90241dfccc5ab96a3d2c3133af9c3ca

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