Malicious PDF — malware analysis report

Static analysis result for SHA-256 47483e1d0d1a81de…

MALICIOUS

PDF

73.8 KB Created: 2021-02-25 21:39:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26
MD5: 9b094ee1ad3bf8cff2a455cd61dd4d53 SHA-1: 20f3da925da57a2fe918053e85bdd8b0218b2dc8 SHA-256: 47483e1d0d1a81dee5d671bc2239195bc82c7bdfc0e2fc4b041f23ed0ff4d9bb
126 Risk Score

Malware Insights

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

The PDF contains numerous links to disposable domains and link farms, a common tactic for phishing and malware distribution. The document body, though heavily obfuscated, appears to be a lure related to 'kroger e commerce', directing users to external URLs. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://jottigo.ru/wb?keyword=what%20is%20kroger%20e%20commerce PDF link annotation
    • https://cdn.sqhk.co/vixuzemabad/ielaUie/84956466609.pdfIn PDF document text
    • https://cdn.sqhk.co/nawakema/z8djaMu/43257641129.pdfIn PDF document text
    • https://cdn.sqhk.co/saboxiwago/hhv5xHr/reconfigure_synonyms_english.pdfIn PDF document text
    • http://falorilipeb.mywebcommunity.org/learn_to_write_arabic_calligraphy_omar_uddin_download.pdfIn PDF document text
    • http://passive-income.ru/how_to_fix_a_washing_machine_that_wont_spinnwrbx.pdfIn PDF document text
    • http://requiredjokblog.com/883994584373oiyw.pdfIn PDF document text
    • http://wijetaz.mypressonline.com/who_wrote_the_quran_quora.pdfIn PDF document text
    • https://cdn.sqhk.co/loxinesupiva/4VEgvRm/200685017.pdfIn PDF document text
    • http://fruit-ita.fun/nerifopegeziviv4iscb.pdfIn PDF document text
    • http://tipofeliluget.medianewsonline.com/daniel_kahneman_thinking_fast_and_slow_summary.pdfIn PDF document text
    • http://cyberlife.store/95864378494zp87d.pdfIn PDF document text
    • http://dommasters.site/is_dds_discount_open_todayphjrt.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://mufifofoge.epizy.com/71621836583.pdfIn PDF document text
    • http://romezegipoxo.epizy.com/61710892269.pdfIn PDF document text
    • http://sulosuduvemog.epizy.com/gukigudewetofosijape.pdfIn PDF document text
    • http://sipanokule.onlinewebshop.net/a_song_of_ice_and_fire_reddit.pdfIn PDF document text
    • http://tuwutexo.onlinewebshop.net/4874570827.pdfIn PDF document text
    • http://zitadufafasid.onlinewebshop.net/world_map_with_oceans_and_continents_labeled.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_off0000e2ce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE2CE 5260 bytes
SHA-256: 7c0964bb3609fa70eaab1c62f3f29f4a4b8c95ff713b04b354f79826dd5d0594
font_01_sfnt_off0000f494.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF494 11128 bytes
SHA-256: 6e23e476f8d77276a45fdda4bf5303712482587c1d78f6fc3fe16e8193fdaa70

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