Malicious PDF — malware analysis report

Static analysis result for SHA-256 1a305e5a5cfdee01…

MALICIOUS

PDF

80.4 KB Created: 2021-03-06 16:39:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-08-20
MD5: cd1395e2fe1acee1f17286c655a1016a SHA-1: b4f6176bc4affe50a172e847bdfc68658894b479 SHA-256: 1a305e5a5cfdee01c67e0951415aab3a115876700a07dfc8a90ca5a428817a42
126 Risk Score

Malware Insights

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

This PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or malware distribution attempt. The embedded URLs, particularly the one containing 'sherlock holmes 2009 full movie download in hindi filmyzilla', suggest a lure for pirated content, a common tactic for distributing malware. The PDF's structure and numerous external links point towards a link farm designed to redirect users to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

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://dugedepap.ru/aws?utm_term=sherlock+holmes+2009+full+movie+download+in+hindi+filmyzilla PDF link annotation
    • http://noxudisogukat.iblogger.org/delonghi_lattissima_touch_capsule_coffee_machine_black.pdfIn PDF document text
    • https://tomudonaki.weebly.com/uploads/1/3/4/7/134715401/vigosit.pdfIn PDF document text
    • http://xilagima.66ghz.com/free_vpn_for_netflix_android.pdfIn PDF document text
    • http://givepamodugag.22web.org/fazogamaweb.pdfIn PDF document text
    • https://borobufa.weebly.com/uploads/1/3/1/4/131406827/dcef5f039.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • http://gonulurejojele.epizy.com/b_a_pass_movie_khatrimaza_hd.pdfIn PDF document text
    • http://saxopurokike.rf.gd/brahman_naman_2016_movie.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/432d8443-1358-45aa-8e2b-8836b1106d38/how_to_get_an_international_drivers_license_in_maryland.pdfIn PDF document text
    • https://c301b42c-deab-4116-afcd-a09dd0728425.filesusr.com/ugd/4bb894_d49c64d076ba4441845eeff3eabcbb9a.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/128bf322-a1fc-4d87-ab16-7803de1aac5e/5230345017.pdfIn PDF document text
    • http://gejepif.epizy.com/arma_3_takistan_life.pdfIn PDF document text
    • https://b7e73dfe-ad35-4791-b4f7-7500f5b7882c.filesusr.com/ugd/bc79a4_236352b4ea2b4b118ec04f14ae028db1.pdf?index=trueIn PDF document text
    • http://najovuwovi.rf.gd/jiddu_krishnamurti_books_best.pdfIn PDF document text
    • http://vedujekobizu.rf.gd/what_does_the_song_nessun_dorma_mean.pdfIn PDF document text
    • http://mujotipaxoxi.epizy.com/playstation_2_emulator_for_android_phones.pdfIn PDF document text
    • https://917ed8d3-8a9f-4c5c-a3ad-554e533308ad.filesusr.com/ugd/a4e402_7760fcbeadd342069d82695c4bd834f3.pdf?index=trueIn PDF document text
    • https://8e8ef6ac-913c-489f-8395-c30730e7ba0a.filesusr.com/ugd/f39c52_860d98c685b24afeafc92c5d71a2193f.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/2539ae23-5ea8-4d60-9b2d-5f0878278631/dictionary_of_symbols.pdfIn PDF document text
    • http://gimapetabotoza.rf.gd/datolosalin.pdfIn PDF document text
    • http://toduwez.epizy.com/tennis_game_for_android_tv.pdfIn PDF document text
    • http://lironif.epizy.com/dowurogatufunuwapibenijal.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4f59f54a-036f-421b-a7d4-a513c920dfa0/what_are_the_conventions_of_traditional_literary_genres.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f8c9961f-5188-4928-aa76-1003d16aff35/how_do_i_know_if_i_have_a_42re_transmission.pdfIn PDF document text
    • https://b1e6e3cd-24a2-426a-8b7d-e8f4bd81915b.filesusr.com/ugd/83e584_216a7fdbd91a4657979786e9f7584276.pdf?index=trueIn 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ef30.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF30 6160 bytes
SHA-256: 7d1bc16677cd366b360f7948ed372186a49cdc79861a66f2fdcf05068ec37331
font_01_sfnt_off00010417.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10417 2656 bytes
SHA-256: dbaab8dcf32bfe64cb008f34eb54f5316f62236e8dffe3de49b44225404383a5
font_02_sfnt_off00010f1d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10F1D 10688 bytes
SHA-256: f52a073bfd2478648297da284df057e4df47551547bf5480a801806939055a41