Malicious PDF — malware analysis report

Static analysis result for SHA-256 69f73a4c76a918bb…

MALICIOUS

PDF

74.9 KB Created: 2021-04-03 16:14:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 08aacd6e9644778855d4d6bae9b90345 SHA-1: d8524b9831e14d1ba41262bd5e2cbf319aead010 SHA-256: 69f73a4c76a918bb61dfeaf4dc91e1aa4a6d7117ef93ef3f08152bc6488fab80
96 Risk Score

Malware Insights

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

This PDF file was flagged as malicious by ClamAV and an ML classifier. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a phishing or malware distribution site. The document body, though heavily obfuscated, appears to be a lure related to Craftsman lt2000 drive belts, suggesting a phishing attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://seumenha.ru/strik?utm_term=craftsman+lt2000+drive+belt+size
    • https://vasirorikipik.weebly.com/uploads/1/3/0/7/130776585/70b5ef2349dca41.pdf
    • https://nixotebiwozo.weebly.com/uploads/1/3/4/6/134667174/mafexosivufu.pdf
    • https://pukapukipek.weebly.com/uploads/1/3/4/6/134636258/fuwikuvaxutede.pdf
    • https://biwamuneluzotip.weebly.com/uploads/1/3/2/6/132696598/mujoxavaxekowo.pdf
    • http://barurizex.iblogger.org/87681850279.pdf
    • https://gukepofefefika.weebly.com/uploads/1/3/1/4/131437977/087ed.pdf
    • https://boforotove.weebly.com/uploads/1/3/5/3/135393238/famudolen-mapaxumozoveso-watewosimozeb.pdf
    • http://wedidizelajat.mypressonline.com/52241112282.pdf
    • https://rofibefis.weebly.com/uploads/1/3/4/1/134131293/guvomu.pdf
    • https://gifapaneg.weebly.com/uploads/1/3/4/3/134368366/wojabelavajig.pdf
    • http://lakuberik.mywebcommunity.org/integration_formulas_for_engineering_first_year.pdf
    • http://nomenowunesazoz.scienceontheweb.net/statistically_sound_machine_learning_for_algorithmic_trading.pdf
    • http://zifujujefilat.iblogger.org/65273764947.pdf
    • https://cdn.sqhk.co/dojaxeje/Yygc5ji/dna_extraction_from_strawberries_lab_answer_key.pdf
    • http://poxumanavofeboz.scienceontheweb.net/successful_coaching_4th_edition_online.pdf
    • https://cdn.sqhk.co/barugogip/IhbOgif/best_ringtone_maker_app_for_android_2019.pdf
    • https://cdn.sqhk.co/ritasuxa/hfhdhcf/daruwej.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://uploads.strikinglycdn.com/files/85c51040-1680-4523-81f4-75405a615640/xukazikufak.pdf
    • http://vadibezodaxilez.rf.gd/90215928795.pdf
    • https://uploads.strikinglycdn.com/files/0edd5951-497c-4a9c-822a-1aeef9259296/naxaxu.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000da04.bin
043e186e7c9ebc557bb8570f6dd74c4a6867daaa50e4e285a10a93a042fc511e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDA04 5276 bytes
font_01_sfnt_off0000ebde.bin
02e4cf56a3687675e6359deac64c4326708b1d44af1010414a64fef02e4ce296		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEBDE 10660 bytes
font_02_sfnt_off00011048.bin
ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11048 4324 bytes

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