Malicious PDF — malware analysis report

Static analysis result for SHA-256 8208a1d700abf80a…

MALICIOUS

PDF

197.6 KB Created: 2021-02-14 14:44:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 066f2f66c46d49b45f3292e39c9ea1bf SHA-1: 92be5ec44f6b908992e810b95b19b5b6cae9f217 SHA-256: 8208a1d700abf80a18a991d879bc0578a430007be4a98f97ffea04c0121c50f7
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9979

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://leonvi.ru/123?utm_term=small+intestine+histology+pathology+outlines PDF link annotation
    • http://onlinetiser.website/aparato_respiratorio_organos_que_lo_forman81adi.pdfIn PDF document text
    • https://zoxutelipiroga.weebly.com/uploads/1/3/1/8/131871488/5834535.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4448103/normal_5fcc25d7cd0f3.pdfIn PDF document text
    • http://natur-green.fun/tadogaxolagurofogkfs4.pdfIn PDF document text
    • https://bopugokux.weebly.com/uploads/1/3/4/9/134901566/8882512.pdfIn PDF document text
    • https://puxezemugip.weebly.com/uploads/1/3/4/3/134311794/1544261.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384825/normal_601e0a3bc0ad3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4373239/normal_6023f105252ea.pdfIn PDF document text
    • https://gasimela.weebly.com/uploads/1/3/1/3/131398285/bifaj.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4414488/normal_5fd92d812b809.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://wojodiguf.rf.gd/dimogir.pdfIn PDF document text
    • https://s3.amazonaws.com/gomaxod/2213973204.pdfIn PDF document text
    • http://dojanipono.rf.gd/wound_management_guidelines_scotland.pdfIn PDF document text
    • https://s3.amazonaws.com/vitelitubovuluj/9562348724.pdfIn PDF document text
    • https://s3.amazonaws.com/tokatefozude/35853882758.pdfIn PDF document text
    • https://s3.amazonaws.com/pajukovuxetu/free_background_power_point_animasi.pdfIn PDF document text
    • https://s3.amazonaws.com/bajuse/siluti.pdfIn PDF document text
    • http://xezepagonozaniw.epizy.com/pabigezegif.pdfIn PDF document text
    • https://s3.amazonaws.com/gulapore/kendo_spreadsheet_freeze_row.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 8

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_off0002ccc1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2CCC1 5344 bytes
SHA-256: f7f2184bde2fee8788b5b44d868474063a0cbcf039cbccb12797a77f30ea8962
font_01_sfnt_off0002deca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2DECA 12292 bytes
SHA-256: d61b04614a3803ae669977b326c27420905ff5a852e88eb3aa97be64eae4b9f1

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