Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa0915b813dbc295…

MALICIOUS

PDF

214.0 KB Created: 2021-03-09 16:04:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 98dcf501a188c998eda27c0bb01bb32f SHA-1: 58138a8f1b30aa980276c258c33f83c6939059f1 SHA-256: fa0915b813dbc2953b6022d4d9ec0c18a71fdb8888da0bb2357bf49aec577c7a
104 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. It uses an urgency-based lure. 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 0.9839

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://gimoguvi.ru/award?keyword=idsa+cellulitis+guidelines+pdf PDF link annotation
    • https://xajijalati.weebly.com/uploads/1/3/3/9/133997138/jebusazane-tuxuvesi-xedewatog-nafarixil.pdfIn PDF document text
    • https://cdn.sqhk.co/xuxofidipo/d6ihhij/laxijijagivasa.pdfIn PDF document text
    • https://vuginavoji.weebly.com/uploads/1/3/0/7/130775358/9551401.pdfIn PDF document text
    • https://cdn.sqhk.co/kevovevude/fgjrEia/pevubuvadijodetemok.pdfIn PDF document text
    • https://bipokedofep.weebly.com/uploads/1/3/5/3/135322207/visarujaparoki-volog.pdfIn PDF document text
    • https://vutujevofi.weebly.com/uploads/1/3/5/9/135971838/tugafege.pdfIn PDF document text
    • https://movefaka.weebly.com/uploads/1/3/5/3/135304133/fawudevug-legepit-rerikepubadu-kapinalu.pdfIn PDF document text
    • http://contentmedialiteracy.com/xemapivotorakuke2f01n.pdfIn PDF document text
    • https://wozukepob.weebly.com/uploads/1/3/4/0/134017809/siwegogodi-rixegon-wunupuzok-zopuw.pdfIn PDF document text
    • http://vugaganopofom.mypressonline.com/subigiwolif.pdfIn PDF document text
    • http://bupetud.xyz/raymond_electric_pallet_jack_wheel_replacementc35j2.pdfIn PDF document text
    • http://serviceforyou.site/wodepuxikaxeg5hsjq.pdfIn PDF document text
    • https://siwusoxol.weebly.com/uploads/1/3/4/5/134584737/malawusolibijobixif.pdfIn PDF document text
    • https://lemapemoj.weebly.com/uploads/1/3/4/0/134040436/pezatowiner_vemigokan_dijafupojoteni_lesefa.pdfIn PDF document text
    • https://pudexaxetodeli.weebly.com/uploads/1/3/2/6/132683251/dadajawesaga_mirinapakag_dagig.pdfIn PDF document text
    • https://cdn.sqhk.co/nosimasiv/jilqih4/general_tso_chicken_vs_sesame_chicken.pdfIn PDF document text
    • http://smeh-mif.space/zifobetotakef3tp5.pdfIn PDF document text
    • https://xiwajobuxeke.weebly.com/uploads/1/3/4/6/134637113/zelowumugijom.pdfIn PDF document text
    • https://lujovimujesami.weebly.com/uploads/1/3/4/0/134019161/ditibikujaniwafiwi.pdfIn PDF document text
    • http://pressit.space/96519120069lj6ps.pdfIn PDF document text
    • https://cdn.sqhk.co/jakufomego/eghihri/call_of_victory_hack_apk_cp.pdfIn PDF document text
    • https://cdn.sqhk.co/kuniremolu/DjaLhjB/spaceflight_simulator_download_full_version.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://davofunup.onlinewebshop.net/jasagiwun.pdfIn PDF document text
    • http://fomepufasele.atwebpages.com/bryant_plus_80_furnace_parts_diagram.pdfIn PDF document text
    • http://xologikaju.atwebpages.com/what_is_a_logical_reasoning_test.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000307a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x307A3 5164 bytes
SHA-256: 0f9b6260dcfd71c97b0bd7c88c21c0b8ebf5bb7d2e51363603ef9f672a512d43
font_01_sfnt_off00031954.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31954 15204 bytes
SHA-256: 5662c27dd02775b72a40c177f099053832d97acc95af24eb93e5060cbe269a75

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