Malicious PDF — malware analysis report

Static analysis result for SHA-256 46298ae29e6efee8…

MALICIOUS

PDF

73.1 KB Created: 2021-03-21 22:40:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 4fdb016ccfebc629255e2952a6f6d302 SHA-1: 5e58e3b46a0e959f45b37c207a35c3aca79b570a SHA-256: 46298ae29e6efee8f7047cd744b4593c74595d581f3638f243d84cd89d7374d5
156 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 a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

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://jottigo.ru/strik?utm_term=se+vuol+ballare+signor+contino+karaoke PDF link annotation
    • https://cdn.sqhk.co/jelasusoved/V9PViaM/flights_to_miami_from_dallas.pdfIn PDF document text
    • https://cdn.sqhk.co/sezivalaw/jIrAbih/31635073659.pdfIn PDF document text
    • https://cdn.sqhk.co/fizuborugas/irogfhj/tiktok_black_and_white_png.pdfIn PDF document text
    • http://4kuhd.me/gavozogefawenasanerunnuguy.pdfIn PDF document text
    • https://cdn.sqhk.co/leguzufaju/ZwjcDij/dead_zone_action_tps_apk_download.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4365555/normal_5ffa16a4317fb.pdfIn PDF document text
    • https://cdn.sqhk.co/bikegola/gfXXXJI/41742912231.pdfIn PDF document text
    • https://cdn.sqhk.co/zumufapofow/gilop3u/91545874285.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4456676/normal_5febceaf3bcc9.pdfIn PDF document text
    • https://cdn.sqhk.co/vefutifeves/ONigHif/49946939591.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4377408/normal_5ffe2552217d4.pdfIn PDF document text
    • http://creditscorehelp.info/dexunepem2sf72.pdfIn PDF document text
    • https://cdn.sqhk.co/taxeseta/ONiaoTD/24068981602.pdfIn PDF document text
    • https://cdn.sqhk.co/lewoxiguj/hbjhih2/69700944905.pdfIn PDF document text
    • http://italia-doc.fun/tuzitatawaviwexenojtqqv8.pdfIn PDF document text
    • https://cdn.sqhk.co/potiribuwuf/z4jfhaS/87281212444.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4489409/normal_5fe155b629fec.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://8ed6bd9f-de2b-4923-b7df-82f95eb18a03.filesusr.com/ugd/7fa32f_60cdbaabb0074aee98e1c81f8be80432.pdf?index=trueIn PDF document text
    • https://6cdf8c5e-36a0-4b6d-987f-32d3d50030cd.filesusr.com/ugd/3c2e2e_f148a8604c4a4427abd1fdd630381a59.pdf?index=trueIn 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_off0000dcad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDCAD 5332 bytes
SHA-256: f5243728d7704b74a1d0be077efc7a5022801c4f97e91e32114cf9c771aa9b1b
font_01_sfnt_off0000eee4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEEE4 12476 bytes
SHA-256: 1d1ba62c9b6ad08ab42a6f14e0daa1a3644ac7de579e084823cd7f6a95afebec

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