Malicious PDF — malware analysis report

Static analysis result for SHA-256 007e5a8f3a1d8dc3…

MALICIOUS

PDF

75.3 KB Created: 2021-02-19 22:18:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-17
MD5: 00822cee896108a369fb8fa11fc272cd SHA-1: 1999ae0d93150024e772c71f98b3bea5266e18d1 SHA-256: 007e5a8f3a1d8dc301c3f680ee233cebd22b75a94902ef34a36cc7ea7b4ddc1b
126 Risk Score

Malware Insights

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

The PDF contains numerous embedded URLs pointing to various domains, many of which are associated with link farms and disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. Although no scripts were explicitly extracted, the PDF structure and embedded URIs suggest it's designed to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://druttle.ru/wix?keyword=fafnir+dragon+maid+dragon+form PDF link annotation
    • https://cdn.sqhk.co/rikopekela/hghbbnb/jovulilepipigazinazupe.pdfIn PDF document text
    • https://cdn.sqhk.co/kosifodalab/vibicUZ/download_bomberman_tournament_gba_rom.pdfIn PDF document text
    • http://dietnatur.fun/chita_chola_songs._pk5re0h.pdfIn PDF document text
    • http://wukifiduputafeb.22web.org/how_do_i_pair_a_ge_z_wave_switch.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4465705/normal_5ff87ff094584.pdfIn PDF document text
    • https://cdn.sqhk.co/lajojeletab/cS5ig8f/kajadewisarobinaxinita.pdfIn PDF document text
    • http://detonicro.website/24574946551ya5kv.pdfIn PDF document text
    • http://clobuss.ru/150879131623361.pdfIn PDF document text
    • https://cdn.sqhk.co/kitolitik/0Ggffhc/ninja_commando_assassin_3d_mod_apk.pdfIn PDF document text
    • https://cdn.sqhk.co/mudaxomemut/gdhdj2t/toddler_twin_bed_sheets.pdfIn PDF document text
    • http://pokemonrivals.online/fanigidofusewaxkwsz.pdfIn PDF document text
    • https://cdn.sqhk.co/wuvupalib/POxD4jf/duwinudijeritizagalinajom.pdfIn PDF document text
    • https://cdn.sqhk.co/jigavozef/gchhTe1/62566372329.pdfIn PDF document text
    • http://hookup153.online/vawibabomamojuzinasen2pn4.pdfIn PDF document text
    • http://znakomstva18x.site/tulobuluseruzuraklyne5.pdfIn PDF document text
    • http://ejinaya.com/posegenaketawutufidekovjllo.pdfIn PDF document text
    • http://idealicaitalia.website/24688906898lcym6.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://xumusemowujev.epizy.com/pajajalibubegawakeroz.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_off0000eb4e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB4E 4972 bytes
SHA-256: ed4f3bd9eebbe312d8ed6cb97fda82ddadd47bd8ba4cc828de852be6cdb823d7
font_01_sfnt_off0000fc2c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFC2C 10664 bytes
SHA-256: d83c11258cab1825d0a07a3f2993446d4c1bee0f9035c5fc75b04933439c4b56

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