Malicious PDF — malware analysis report

Static analysis result for SHA-256 10e69549076f5a02…

MALICIOUS

PDF

73.7 KB Created: 2021-03-04 03:19:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-16
MD5: a2dc5277a679350231f28d6b93cc7602 SHA-1: 5347885ce98ccc8ced0bd25c0f580d3c14ba9c3e SHA-256: 10e69549076f5a029179b0841ac8bfba36aa8dec60dca2c0aa0c86f0d18897ed
126 Risk Score

Malware Insights

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

This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to disposable domains and link farms, suggesting a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains references to 'mckamey manor waiver 2019', indicating a lure to trick users into downloading the malicious content.

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 is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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/wix?keyword=mckamey+manor+waiver+2019 PDF link annotation
    • https://cdn.sqhk.co/vasibejovej/hpgiigh/jenumitam.pdfIn PDF document text
    • http://feyakast.online/what_order_should_you_read_the_rick_riordan_booksgs407.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4427514/normal_6000f2acbdf2c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4448976/normal_6010095cd3bb4.pdfIn PDF document text
    • http://bostpolamos.site/xudizubezipalsk56.pdfIn PDF document text
    • http://fosavaxenu.mypressonline.com/kivunokigejagadavi.pdfIn PDF document text
    • https://sunivisoxeban.weebly.com/uploads/1/3/4/4/134493344/xufewifew.pdfIn PDF document text
    • https://gimisezijumini.weebly.com/uploads/1/3/1/4/131453276/27bacef7fd17a8a.pdfIn PDF document text
    • http://bristol-yalta.run/wesurorokutagurer7mtd9.pdfIn PDF document text
    • http://easycreditscore.info/93558929547nllta.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4454425/normal_5fc72dc3b866c.pdfIn PDF document text
    • http://ijmalan.xyz/45284690404q5fg0.pdfIn PDF document text
    • https://zomereke.weebly.com/uploads/1/3/5/3/135397468/7d54291.pdfIn PDF document text
    • http://getdouche.xyz/batman_fanfiction_damian_kills_jokernfikm.pdfIn PDF document text
    • http://japancar-sib.ru/axel_flovent_forest_fires6wiqm.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4426409/normal_5ff1b1e769ba2.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_off0000e38c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE38C 5540 bytes
SHA-256: b9b4c26dd6ef85568aa8807cb4ad9546d817a8929a434a2dccddb61a6f6870b2
font_01_sfnt_off0000f683.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF683 10380 bytes
SHA-256: 51c94b71ed51d5f85bd6f267de7c023fd6ea07365e7edf824a4a6ef4bbf27865

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