Malicious PDF — malware analysis report

Static analysis result for SHA-256 3283930279cee24c…

MALICIOUS

PDF

71.1 KB Created: 2021-02-11 20:43:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-17
MD5: 6447e72b0087a085dad76bf36b913b0d SHA-1: 89a8c32b28dbcd5cf0b4a12b05cdf6c35a6e4b9f SHA-256: 3283930279cee24cf5e2e56e58e7fb909e84cfbffb0d9c601dea17cfd1569dc0
196 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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 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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://druttle.ru/123?utm_term=ibsen+a+doll%2527s+house+pdf PDF link annotation
    • http://idealslimitalia-ufficiale.site/criminal_case_full_hile_apki4aai.pdfIn PDF document text
    • https://s3.amazonaws.com/xugigabitulu/zisupuxavovikivopur.pdfIn PDF document text
    • https://s3.amazonaws.com/sojuravewi/xelosi.pdfIn PDF document text
    • http://jumpfs.space/materi_siklus_akuntansi_perusahaan_dagangzxmcj.pdfIn PDF document text
    • https://fijitedutim.weebly.com/uploads/1/3/1/1/131164269/valazugoxusesut.pdfIn PDF document text
    • http://gitilapen.66ghz.com/performance_appraisal_definition_in_management.pdfIn PDF document text
    • https://penuwepilaxol.weebly.com/uploads/1/3/4/7/134756509/8492274.pdfIn PDF document text
    • https://s3.amazonaws.com/kefodek/richard_clayderman_mariage_d_amour_music_sheet.pdfIn PDF document text
    • https://s3.amazonaws.com/lazolu/meendum_amman_songs_masstamilan.pdfIn PDF document text
    • http://menetufebev.22web.org/vusuwadexoku.pdfIn PDF document text
    • http://svoytrylend.xyz/bangla_typing_software_freent7mh.pdfIn PDF document text
    • https://s3.amazonaws.com/wopari/foam_sheet_for_sale_philippines.pdfIn PDF document text
    • https://wenezobu.weebly.com/uploads/1/3/4/6/134625155/ropoxuzur-mivisufome-bomeno-femabosuxelafad.pdfIn PDF document text
    • https://jakakatis.weebly.com/uploads/1/3/5/3/135323185/9622930.pdfIn PDF document text
    • https://s3.amazonaws.com/gupojakami/xitixefixiz.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://xesovukefezusag.rf.gd/bavufid.pdfIn PDF document text
    • http://wuvasof.epizy.com/89648234147.pdfIn PDF document text
    • http://merapuw.epizy.com/cctv_camera_types_and_uses.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

Related samples 3

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000dbc5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDBC5 5144 bytes
SHA-256: 2e8aa7b27f5c453c04ddbabb3a894b11b3133e311282d6e866f79f655799ad50
font_01_sfnt_off0000ed43.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED43 9984 bytes
SHA-256: 677732bb6581cfea467f8c3971baf7e314d567a022b021b1d7d024604ac83f5e

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