Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ede2c5fae295a68…

MALICIOUS

PDF

69.6 KB Created: 2021-02-12 20:38:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-17
MD5: 619732de8443d946e939eab21965c702 SHA-1: c9dceae3286a29edf93c2a2f9297d9af1d7d4dc1 SHA-256: 1ede2c5fae295a68a15df55bf6e789d08f91a77b47fa2b429810517dbe968f0f
176 Risk Score

Malware Insights

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

This PDF document was flagged by a machine learning classifier and ClamAV as malicious, exhibiting characteristics of a phishing or scam attempt. The document body, though heavily obfuscated, contains references to 'court records search' and includes numerous external links, suggesting a link farm or SEO poisoning tactic. The 'SE_CALLBACK_LURE' heuristic indicates the document is designed to trick users into calling a phone number, a common tactic in tech-support scams and callback phishing.

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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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/wix?keyword=rocky+river+municipal+court+records+search PDF link annotation
    • https://cdn.sqhk.co/dejijadu/hj5rhdF/pentagon_federal_credit_union_15_year_mortgage_rates.pdfIn PDF document text
    • https://fivomatimib.weebly.com/uploads/1/3/1/0/131070631/76651.pdfIn PDF document text
    • https://cdn.sqhk.co/kutupejotige/2djiOuB/live_disney_movies_coming_soon.pdfIn PDF document text
    • https://bofujobepoj.weebly.com/uploads/1/3/1/1/131164048/8519421.pdfIn PDF document text
    • https://bunivuwavimi.weebly.com/uploads/1/3/4/7/134706582/8213461.pdfIn PDF document text
    • https://tusagenitig.weebly.com/uploads/1/3/1/4/131452801/vasekul-wodovu-vovizo-ruxubokovow.pdfIn PDF document text
    • https://cdn.sqhk.co/tororukiwuri/ehf7jaP/wacom_3d_crystal_castle_puzzle.pdfIn PDF document text
    • http://xtina.online/columbus_full_movie_teluguhawc0.pdfIn PDF document text
    • https://wisipuluxix.weebly.com/uploads/1/3/1/3/131381675/1246808.pdfIn PDF document text
    • https://sipexagugiresu.weebly.com/uploads/1/3/4/6/134607427/patasipajexidiz-xofug-jexogebom.pdfIn PDF document text
    • https://kuvugelovusilu.weebly.com/uploads/1/3/4/4/134437140/1375080.pdfIn PDF document text
    • https://nizuwutino.weebly.com/uploads/1/3/1/4/131482859/70f20726ee107.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/gadumagabusodel/memorial_bookmark_template.pdfIn PDF document text
    • https://s3.amazonaws.com/wuniku/gakilozinuwupabelo.pdfIn PDF document text
    • https://s3.amazonaws.com/kewakuko/android_appcompatactivity_fragment.pdfIn PDF document text
    • https://s3.amazonaws.com/pevarijidasalop/steam_link_android_without_controller.pdfIn PDF document text
    • https://s3.amazonaws.com/zoxewudunigus/nebuxovujavidafi.pdfIn PDF document text
    • https://s3.amazonaws.com/jazamerijekufol/andromaque_acte_1.pdfIn PDF document text
    • https://s3.amazonaws.com/poguvelefa/puxakezotewuv.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_off0000d1c9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD1C9 5548 bytes
SHA-256: 5ae359051f3ab9a8b67a345bda2cacf3cba84d844fff19c9e7c11046f6719368
font_01_sfnt_off0000e48b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE48B 10092 bytes
SHA-256: c33f74ec749f3efdec3fb924eb571e4963b9d1bdfd124d256ab26c595dcd5e6f

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