Malicious PDF — malware analysis report

Static analysis result for SHA-256 00e04bb70f676301…

MALICIOUS

PDF

39.0 KB Created: 2020-11-07 02:16:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-23
MD5: 73594c72eae6e1272ba87ece6479b9a2 SHA-1: 02e0f86b62a8525f69eae677f58c73473f79241d SHA-256: 00e04bb70f676301b1243552633fbc6238143278054e49b0a4817c1c61e50450
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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://traffset.ru/aws?keyword=deeded+rv+lots+tennessee PDF link annotation
    • https://wepugimi.weebly.com/uploads/1/3/1/0/131070973/pogilidivimesexaded.pdfIn PDF document text
    • https://lodobimamavudug.weebly.com/uploads/1/3/4/3/134306091/fezaloduwatijalud.pdfIn PDF document text
    • https://nudiwosesi.weebly.com/uploads/1/3/4/3/134317077/tupomek.pdfIn PDF document text
    • https://topizamo.weebly.com/uploads/1/3/4/4/134435864/2560401.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/fb6f2fc4-e427-48f1-9aac-f7e130b7605e/95313767700.pdfIn PDF document text
    • https://s3.amazonaws.com/loxopudizus/26175453068.pdfIn PDF document text
    • https://s3.amazonaws.com/kosipefojaw/michael_p_ribbons_vs_javier_perez.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3c5332f7-5adc-4f50-a3ab-392343373ebc/wofiwanufajaziguna.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cbffb79d-af6a-4ba4-9503-1e78c461d1c5/sacred_heart_diet.pdfIn PDF document text
    • https://s3.amazonaws.com/gonavo/14824619982.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b1e51c93-c49e-4a51-b0f2-0a392bccab54/50690319229.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5fdf0bf2-953f-4215-8263-3b86475a6209/5811093605.pdfIn PDF document text
    • https://s3.amazonaws.com/jamokaroxoj/tabobidezokeboxep.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/834ce0d3-a206-4287-8029-dbd12d921b6b/32971826836.pdfIn PDF document text
    • https://s3.amazonaws.com/fosagobomap/defogugotid.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c35df02d-6d9c-40ed-bf76-2a13acf07c5d/dookudu_full_movie_free_download.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d08dfa5f-1bb1-46c6-9f30-062d43305a0f/harman_kardon_hkts_16bq_review.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000059fe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x59FE 4668 bytes
SHA-256: c1527d5cc54831be70ca856539b2dc9ff6a45a11b06d3dace96b3d5e6a381968
font_01_sfnt_off000069f5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x69F5 10504 bytes
SHA-256: b51c4ccaa5e51100e9c78f4486870091a97948b2bca6bd57b9042a0d5a4636ab

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