Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd9b10a886dafad7…

MALICIOUS

PDF

253.5 KB Created: 2021-03-18 03:52:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 60a3b5dab5424bc5e71c46ea0c15dbcc SHA-1: 9350e9a222dc1770f68119c74efb0038f89ea76f SHA-256: dd9b10a886dafad722aed4c38a1922100c4970175e594dde3b65398eca8ab539
96 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9905

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://dafemum.ru/award?keyword=hannah+arendt+pdf PDF link annotation
    • https://cdn.sqhk.co/nasubivapu/77jJcjb/gaxota.pdfIn PDF document text
    • https://pogixovupo.weebly.com/uploads/1/3/4/6/134690118/949892.pdfIn PDF document text
    • https://cdn.sqhk.co/fipimomozuk/thjcHgh/87936731007.pdfIn PDF document text
    • https://cdn.sqhk.co/gawagunikuw/jgI8T2l/fazogesazurizulavivonoze.pdfIn PDF document text
    • https://cdn.sqhk.co/mugapowejog/fgdihi0/tia_brain_train_program_in_chennai.pdfIn PDF document text
    • https://sowimarigakuni.weebly.com/uploads/1/3/4/7/134705136/3434991.pdfIn PDF document text
    • https://numurivigafezu.weebly.com/uploads/1/3/4/3/134390613/d32c06.pdfIn PDF document text
    • http://podarokinsta.site/685333153532q1tj.pdfIn PDF document text
    • http://newipufisatag.scienceontheweb.net/wezuwegodat.pdfIn PDF document text
    • https://cdn.sqhk.co/kuzaxepigi/VuDiegj/battlelands_royale_apk_apkpure.pdfIn PDF document text
    • https://cdn.sqhk.co/dinigivo/jcigahg/31272569173.pdfIn PDF document text
    • http://lopitimew.mygamesonline.org/advanced_cardiovascular_life_support_provider_manual_free.pdfIn PDF document text
    • https://xasizati.weebly.com/uploads/1/3/5/9/135978204/xujuninogukidusoguk.pdfIn PDF document text
    • https://digonowokeke.weebly.com/uploads/1/3/1/8/131856318/mapiwijek-tazuwezirezulu-rafixika.pdfIn PDF document text
    • http://wonder-ita.space/14385709793dg3fr.pdfIn PDF document text
    • https://cdn.sqhk.co/numisezopo/hjjdhji/zujusupuzajezegerapem.pdfIn PDF document text
    • https://cdn.sqhk.co/goxepijikun/vvnhegh/bebelufudezazudu.pdfIn PDF document text
    • http://reabook.online/737004271150lz95.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/bibejovixapis/96245477850.pdfIn PDF document text
    • https://s3.amazonaws.com/palevijuj/brawl_stars_hack_apkpure.pdfIn PDF document text
    • https://s3.amazonaws.com/regovadeje/61171342272.pdfIn PDF document text
    • https://s3.amazonaws.com/jaxesabi/what_is_the_cub_scout_motto_and_what_does_it_mean.pdfIn PDF document text
    • https://s3.amazonaws.com/daraniwekamidir/survival_quest_way_of_the_shaman_wiki.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0003a219.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3A219 4880 bytes
SHA-256: 22c2b4c6f011e7f636c4893624eb47598fed89fd66810892276397bbf05fbb93
font_01_sfnt_off0003b2ab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3B2AB 18248 bytes
SHA-256: aa210c66fe31ae3f8fec32b0fa64aeb26059c99bba93c8293b99077732571cc0

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