Malicious PDF — malware analysis report

Static analysis result for SHA-256 cece2dd62275dba2…

MALICIOUS

PDF

73.6 KB Created: 2021-05-17 20:32:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 00830f11bd5903db70784fbfebeb99cf SHA-1: 74351c0e4c375f7944692425ae242057e3121992 SHA-256: cece2dd62275dba28014a389aab089d4272202cd9308c66c20be26858c22d3dd
196 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF file contains numerous external links, many of which are part of an SEO link farm designed to redirect users. The primary lure appears to be related to 'Walmart tires near me', directing to a URL that likely hosts a phishing or scam page. The ML classifier and ClamAV detection strongly indicate malicious intent, consistent with a phishing campaign.

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://ponafet.ru/strik?utm_term=walmart+tires+near+me+205%252F55r16 PDF link annotation
    • https://cdn.sqhk.co/buzaxelubot/d8pWl7N/86617852101.pdfIn PDF document text
    • https://lutenowunag.weebly.com/uploads/1/3/4/6/134627800/7870967.pdfIn PDF document text
    • https://cdn.sqhk.co/xenaporo/iehcfFR/us_park_police_salary_scale.pdfIn PDF document text
    • https://nutolifawivu.weebly.com/uploads/1/3/1/4/131437776/7138454.pdfIn PDF document text
    • https://cdn.sqhk.co/buzovegom/JhjFhhg/mezunokidamopotolunogubo.pdfIn PDF document text
    • https://s3.amazonaws.com/jipowumat/chromatin_condenses_to_form_discrete_visible_chromosomes.pdfIn PDF document text
    • https://cdn.sqhk.co/zoluxoni/Tjiigio/57349966246.pdfIn PDF document text
    • https://cdn.sqhk.co/lakuxezaj/r5g2uja/medabenawi.pdfIn PDF document text
    • https://cdn.sqhk.co/kikutajaz/gs8Dijz/tamil_keyboard_for_android_apk_free_download.pdfIn PDF document text
    • https://cdn.sqhk.co/kofuvufexo/VEjcjjl/hoosier_road_race_kart_tires.pdfIn PDF document text
    • https://cdn.sqhk.co/rebabafa/hehchJG/23779884412.pdfIn PDF document text
    • https://natatujefeni.weebly.com/uploads/1/3/1/6/131607075/tidifepexibomeditu.pdfIn PDF document text
    • https://s3.amazonaws.com/kotidox/navy_online_compliance_reporting_system.pdfIn PDF document text
    • https://texifafotolatip.weebly.com/uploads/1/3/4/7/134764930/rimuv.pdfIn PDF document text
    • https://cdn.sqhk.co/lixozimiz/Wgciaia/murem.pdfIn PDF document text
    • https://cdn.sqhk.co/zokosofu/jbujijj/7729096012.pdfIn PDF document text
    • https://cdn.sqhk.co/lizasizova/jbhcggv/jupetomozovugalulaj.pdfIn PDF document text
    • https://cdn.sqhk.co/milevatomog/g4mEEHQ/41822346688.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/1fcb88c6-d7a1-4868-ad5a-c591d71f5753/jufeguwijitexatokul.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 6

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_off0000e067.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE067 5484 bytes
SHA-256: 81defb879b4a2898b3b0ec01a48fe0568f727e6cae9f2b32a84421f1336f1d06
font_01_sfnt_off0000f310.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF310 11128 bytes
SHA-256: 56092cb35235ff67233837dff2e94117131ce47d74658b227c0d41a6f3ba0a90

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