Malicious PDF — malware analysis report

Static analysis result for SHA-256 759f3f58c125ea65…

MALICIOUS

PDF

86.9 KB Created: 2021-03-21 21:40:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 14fcc779ede4187cbaf2ced01b8b123d SHA-1: a7380f0faf6ca7dc2058ef59b2cd655e9f60f719 SHA-256: 759f3f58c125ea654a78b0d4ff8f0c9599f218001b6b83fd1b0b197727923ddb
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document body, though heavily obfuscated, contains text related to a search query, and an external URI points to a URL that appears to be part of a phishing or scam operation. The presence of embedded URLs and the overall structure suggest an attempt to redirect the user to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://lozipotod.ru/wix?keyword=how+much+is+45+ml+in+a+shot+glass PDF link annotation
    • https://rasasagodum.weebly.com/uploads/1/3/2/3/132303335/82d27c5.pdfIn PDF document text
    • http://igafnd.org/wonder_woman_full_movie_in_tamilyogijwb98.pdfIn PDF document text
    • http://pevazaw.mypressonline.com/kijinapiviwade.pdfIn PDF document text
    • https://nupiwezorebor.weebly.com/uploads/1/3/4/7/134715096/daxuletake_tinekapoga_xunuwet_rezisodasam.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4390643/normal_600cac97427e8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367277/normal_5fd81c90eb27c.pdfIn PDF document text
    • http://50off.pro/180164689581a467.pdfIn PDF document text
    • https://xefozevinunakab.weebly.com/uploads/1/3/4/3/134340699/34233f1.pdfIn PDF document text
    • https://sikiwakasizo.weebly.com/uploads/1/3/5/3/135318116/jaxemoxezapavutaxa.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4407756/normal_601bf949b32c5.pdfIn PDF document text
    • http://paktum.pro/anonytun_prime_apkhrqjj.pdfIn PDF document text
    • https://rebuxikaxaj.weebly.com/uploads/1/3/4/6/134668288/14b17.pdfIn PDF document text
    • http://technodom11.com/literary_devices_in_romeo_and_juliet_act_4_scene_5s4wtv.pdfIn PDF document text
    • https://gavemipaxok.weebly.com/uploads/1/3/2/6/132680822/kopabikokilega.pdfIn PDF document text
    • http://nunobuzipame.medianewsonline.com/how_to_graph_linear_equations_in_slope_intercept_form.pdfIn PDF document text
    • https://wejilosadala.weebly.com/uploads/1/3/0/8/130815097/b638594378.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/sukobogixe/invisible_man_ellison_genre.pdfIn PDF document text
    • https://s3.amazonaws.com/zalisujezajaje/how_to_get_a_bartender_license_in_california.pdfIn PDF document text
    • https://s3.amazonaws.com/pekatikisuruki/mufovobinuzoguzirevo.pdfIn PDF document text
    • http://nuvebabe.atwebpages.com/alesund_map.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f37c.bin
809f0f803ddafb2626150ba1619b3f69181db1e07541a913692c56ec24c38e19		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF37C 4424 bytes
font_01_sfnt_off0001034f.bin
d807226a82351c64134f71be810f9e82511b5ea5942b554e03d3487827439dbb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1034F 5148 bytes
font_02_sfnt_off000114c4.bin
ccc79cd4baac3447a71a62233974f6733a909edc6eefb5add0ef80a9bf774152		 pdf-font-stream PDF embedded font (sfnt) at offset 0x114C4 14004 bytes
font_03_sfnt_off00013f91.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13F91 4324 bytes

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