Malicious PDF — malware analysis report

Static analysis result for SHA-256 886af6d42aa45023…

MALICIOUS

PDF

73.4 KB Created: 2020-12-01 17:18:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-05
MD5: e305ee4eddd26acbfc64fbb13d3ca138 SHA-1: 971c3e6edd578a1c9c859be013a615d5e8a2a4c1 SHA-256: 886af6d42aa4502327f569324849fc6b1cb810ff56fa2882a534be1d0843fb66
214 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF file contains a large number of embedded links, many of which point to external websites, including a known malicious redirector. The document body, though heavily obfuscated, suggests a lure related to 'IT director resume samples'. The presence of numerous links and the detection of a malicious redirector indicate an attempt to lead users to malicious sites, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://cctraff.ru/strik?utm_term=it+director+resume+samples In PDF document text
    • https://ditiwudo.weebly.com/uploads/1/3/1/4/131452947/2366198.pdfIn PDF document text
    • https://roluliduz.weebly.com/uploads/1/3/4/7/134771057/ponifol-ripijesaxezu-segajiba-tasox.pdfIn PDF document text
    • https://mukokoloraji.weebly.com/uploads/1/3/4/1/134131612/zanezedum_vadogu_momevis.pdfIn PDF document text
    • https://jewajufigojoxi.weebly.com/uploads/1/3/1/4/131438211/0ac8851605ac672.pdfIn PDF document text
    • https://tufupuvakasu.weebly.com/uploads/1/3/4/3/134310035/7647975fa0df.pdfIn PDF document text
    • https://rukinedofixod.weebly.com/uploads/1/3/4/3/134348838/03fc76bb23aa5e.pdfIn PDF document text
    • https://nikokitigo.weebly.com/uploads/1/3/4/5/134500207/waruzepekevokikajo.pdfIn PDF document text
    • https://zoradelageruwol.weebly.com/uploads/1/3/4/5/134591251/zafabox.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/d2887dd6-18a8-4f03-9eef-dc9a3f126beb/fieldworking_4th_edition.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbffb332bbd740658015355/t/5fc385097acac6192a2db966/1606649098741/34573366257.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf4cc89b1ed03538d15615/1606372556637/dr_stone_episode_18_funimation.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc1c02d6609fd0ee7976524/t/5fc52ad2fa04221c71c669b7/1606757076248/smite_free_gems_2020.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc07dde27a199023ab34438/t/5fc3c8e8145a8629dc243b8f/1606666473805/social_justice_books_2019.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbd081cef3361272aeda29a/1606223914007/what_is_kiwanis_builders_club.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0d1461bf-bf47-46d7-9eea-31c9f74bca41/dovatutevuwamonuzudu.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

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ced0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCED0 5156 bytes
SHA-256: 2b14026e44f20d99e2712a3baa5c4b35ebaa4829fa446f853acfd226de46ea54
font_01_sfnt_off0000e03b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE03B 10108 bytes
SHA-256: 17e7c2aaf07e1683f011098ef585b61d1d67e9d46040330a1c3b44e8bcf9ca25
font_02_sfnt_off00010309.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10309 16144 bytes
SHA-256: c5b81f703ebddc697e6824868dcd306aba919aa4c1ec28f594a83a04df97872b

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