Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e58dc61c3251b0e…

MALICIOUS

PDF

75.4 KB Created: 2021-02-18 04:59:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: 836a33e6504661ace8ff9fde6955acee SHA-1: 2af1b4303ff7181df5ce554847033423899f24e7 SHA-256: 2e58dc61c3251b0e93ff2262326da5df8ec3e0c500b1d36bbf3e2628195d3c60
156 Risk Score

Malware Insights

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

This PDF file was flagged by multiple heuristics, including ClamAV and an ML classifier, as malicious. It contains a large number of external links, suggesting a link farm or phishing attempt. The document body, though partially obfuscated, mentions 'how to make a get out of debt plan', which is likely a lure to encourage users to click on the embedded URLs.

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
  • 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.
  • 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/strik?utm_term=how+to+make+a+get+out+of+debt+plan PDF link annotation
    • https://cdn.sqhk.co/tokafumotebi/b5jgxhd/idle_ants_mod_apk_2._2._4.pdfIn PDF document text
    • https://fisezofibidan.weebly.com/uploads/1/3/4/3/134316577/023632cd39d.pdfIn PDF document text
    • https://cdn.sqhk.co/xewiliwilax/0igf5je/vampires_wife_dress_ebay.pdfIn PDF document text
    • https://fuvexowigirupog.weebly.com/uploads/1/3/4/8/134896800/edfe994506aa.pdfIn PDF document text
    • https://cdn.sqhk.co/navozaxezini/jaVRB6x/element_td_warcraft_3_strategy.pdfIn PDF document text
    • https://cdn.sqhk.co/rujiwujik/ijhjigl/16999507277.pdfIn PDF document text
    • https://cdn.sqhk.co/nizivatitogu/1ijVijx/bubble_candy_shooter.pdfIn PDF document text
    • https://cdn.sqhk.co/lijipatalenu/gbeBgsX/51052163665.pdfIn PDF document text
    • https://gapidekejoz.weebly.com/uploads/1/3/4/8/134876705/f4ead86aa4781.pdfIn PDF document text
    • https://cdn.sqhk.co/wepurodapike/g2Nidhj/46673437999.pdfIn PDF document text
    • https://kopudezazuxunob.weebly.com/uploads/1/3/1/4/131408344/xuvawunefukat-kiwavo-nakosefige.pdfIn PDF document text
    • https://cdn.sqhk.co/rorazelesu/jdjcM5z/the_walking_dead_tv_network_crossword_clue.pdfIn PDF document text
    • https://cdn.sqhk.co/tatiderubota/Uc4N6jN/bird_papa_bubble_crush_game_download.pdfIn PDF document text
    • https://fadoxidibeja.weebly.com/uploads/1/3/2/6/132695582/zejenosad.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000ea7a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA7A 5344 bytes
SHA-256: a3cc496b950d2ad6bcd501bb321c21dbbc5be7f9f946161549c6f7c98952039a
font_01_sfnt_off0000fcab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFCAB 10688 bytes
SHA-256: 0a9db0617a96c2eae11db3bded9fe980d6fedf2b8cafa37d7fdb3f4cb267881f

Open this report in the interactive analyzer, or submit your own file for analysis.