Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e07e1589c7e4beb…

MALICIOUS

PDF

72.0 KB Created: 2021-03-15 07:42:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a26fe3a4f3d71fe8f7fd5946bc3ff816 SHA-1: 62e60d6bb350426d895ff9486d3dcd9a9ccba38d SHA-256: 5e07e1589c7e4bebcd59b93e62c052dbd341d34db6314724b4a02560040a603e
96 Risk Score

Malware Insights

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

This PDF file was flagged by multiple heuristics, including a machine learning classifier and ClamAV, indicating malicious intent. 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 is heavily obfuscated, but the presence of the external URI is a strong indicator of a phishing or social engineering attack.

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://midufefew.ru/wix?keyword=super+alloy+1
    • https://cdn.sqhk.co/nesadatifu/aDwgcge/56630476743.pdf
    • https://cdn.sqhk.co/xejadukoxeta/ajcAvhc/xozigevutidex.pdf
    • http://wegoduxevuda.iblogger.org/nikafufevavaleludiwijeru.pdf
    • https://cdn.sqhk.co/totimujid/oigNiaD/23704907474.pdf
    • https://cdn.sqhk.co/lolitubafo/eq6Mlia/one_name_gamertag_generator.pdf
    • https://cdn.sqhk.co/vilitemeru/hhagi6p/ahly_fc_vs.pdf
    • https://cdn.sqhk.co/nobipajami/uQhide8/xiguw.pdf
    • https://cdn.sqhk.co/wikepijosipi/Tidh5OI/66554379403.pdf
    • http://joxutikomujawi.iblogger.org/xukunasol.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/tigewibejageju/how_many_bats_fit_in_a_bat_house.pdf
    • http://fabosiregoz.rf.gd/selaz.pdf
    • https://uploads.strikinglycdn.com/files/43b7147c-887a-4e30-8a3a-0613b34fd72b/kubekami.pdf
    • http://futilanejorowof.epizy.com/79128444886.pdf
    • http://suromepekiri.epizy.com/batazisanafil.pdf
    • https://uploads.strikinglycdn.com/files/fddc9622-62a5-4790-954f-6b8a347d5651/how_to_download_from_the_gallery_sims_4_cracked.pdf
    • https://uploads.strikinglycdn.com/files/d0243648-9ba9-44c9-b337-4a3ab3d00d60/kenmore_heavy_duty_70_series_washer_leaking.pdf
    • http://vujupedalu.epizy.com/how_to_turn_on_record_player_crosley.pdf
    • http://tezebidurob.epizy.com/25791069097.pdf
    • https://s3.amazonaws.com/ziwuvijevo/vamuzokowitetazej.pdf
    • https://uploads.strikinglycdn.com/files/85640d22-9364-4264-a453-95193bf4893e/what_order_should_i_read_the_lord_of_the_rings_books.pdf
    • https://uploads.strikinglycdn.com/files/d2fcf116-7cce-4824-9dd9-42ed0cb699ec/washington_gas_customer_service_number_dc.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000dbde.bin
155623aef6ac76c218f5d971bbc325c7b1ed7874589c4b696c9ad99080e6184b
pdf-font-stream PDF embedded font (sfnt) at offset 0xDBDE 4892 bytes
font_01_sfnt_off0000ec9f.bin
26d0feaf47fc2d766bb77b1d89ada7704942670317980b4720b25da59f85c3ce
pdf-font-stream PDF embedded font (sfnt) at offset 0xEC9F 11504 bytes