Malicious PDF — malware analysis report

Static analysis result for SHA-256 a75dcc413d5f8fec…

MALICIOUS

PDF

85.2 KB Created: 2021-03-22 22:53:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6af2746ac377d778a1b805c3916b407a SHA-1: 2bca3f13d3f00a90d44c68916bd031044875c2a9 SHA-256: a75dcc413d5f8fec5a481efd1fce1d5c76842de9b0aa1f21a8b011bd33de87e5
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that leads to a malicious domain, identified by ClamAV and ML classifiers as a phishing trojan. The document body, though heavily obfuscated, suggests a lure related to a 'fireplace remote control'. The presence of an external URI points towards a phishing attempt to redirect the user to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://vilenefex.ru/strik?utm_term=febo+flame+electric+fireplace+universal+remote
    • https://zabamatuli.weebly.com/uploads/1/3/4/3/134348910/kukodedo_febupizisoguki_gebotumukasoseg.pdf
    • https://litepuvib.weebly.com/uploads/1/3/4/7/134741427/2495505.pdf
    • https://cdn-cms.f-static.net/uploads/4411708/normal_60288615e4e01.pdf
    • http://fajufoturesu.sportsontheweb.net/24857980703.pdf
    • http://tifoxikutawe.sportsontheweb.net/32481016086.pdf
    • https://cdn-cms.f-static.net/uploads/4494433/normal_5fe643f0ee5b1.pdf
    • https://puzalanenezow.weebly.com/uploads/1/3/4/6/134693659/fbf5296953bf74.pdf
    • https://babiweperes.weebly.com/uploads/1/3/5/3/135347107/mokeluzo.pdf
    • https://mikudope.weebly.com/uploads/1/3/5/3/135305195/9527974.pdf
    • http://napodosawukezob.getenjoyment.net/6315429536.pdf
    • http://lizoguxumugef.mywebcommunity.org/11592807912.pdf
    • http://zujewap.mygamesonline.org/xarinuposimapazewanevoz.pdf
    • http://bazunujovi.scienceontheweb.net/63977908304.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/f015e3e6-7dd5-4347-ba45-c79eb53dff15/how_to_set_time_on_timex_ironman_indiglo_watch.pdf
    • https://s3.amazonaws.com/jinabom/purchase_order_requisition_form_template.pdf
    • https://uploads.strikinglycdn.com/files/0c376ac1-44af-4f58-a8b6-0502ec08f8eb/bloom_and_lahey_language.pdf
    • https://s3.amazonaws.com/faduxodiwo/paytm_first_games_apkpure.pdf
    • https://s3.amazonaws.com/ravuxudibure/elm327_mini_interface_ios.pdf
    • https://s3.amazonaws.com/zolerazowubow/bubinezomepegewurunomuv.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
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ed13.bin
15254d9bc15d4a81b25b50bcba715fb388e70931cb6e870922b7ab60b3c07ac7		 pdf-font-stream PDF embedded font (sfnt) at offset 0xED13 3352 bytes
font_01_sfnt_off0000f913.bin
f325fca505fb86ebc90cb2b745694ecdb370dae9c2336b42db3d1d5663333dcf		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF913 5316 bytes
font_02_sfnt_off00010b21.bin
b21663f9fd6d15ca368c9c9f78d4b627de38833ca61695ff7a3e99f9b428c503		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10B21 10612 bytes
font_03_sfnt_off00012f6d.bin
a95eff378c135b1ab40d10b3cd1da1bafbc07f86005f57898d079c90d712ddbd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12F6D 16204 bytes

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