Malicious PDF — malware analysis report

Static analysis result for SHA-256 1b306f2f45521525…

MALICIOUS

PDF

68.6 KB Created: 2021-03-07 20:56:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 93a254e99bcf79149248b2593e166b14 SHA-1: 07d8e91ea59afdaa6c52ca6b352981776edf0b24 SHA-256: 1b306f2f455215258ce10cfdb43a9640000b7e3b8c35469c104c991a8a565e46
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9960

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://maypoin.ru/wix?keyword=mrs+lagan+webquest+answers PDF link annotation
    • http://nopuvobetag.mygamesonline.org/32381207701.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4420767/normal_600efea27c5cd.pdfIn PDF document text
    • https://panikudar.weebly.com/uploads/1/3/1/4/131437701/suwofaj_wekixenul.pdfIn PDF document text
    • https://nesibebinirudeb.weebly.com/uploads/1/3/5/3/135311353/tufefefafezogup-vunowasobusi.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4448124/normal_5fee4173d328a.pdfIn PDF document text
    • https://subilitukufune.weebly.com/uploads/1/3/4/6/134629352/vilin.pdfIn PDF document text
    • http://laluwaraselolar.mywebcommunity.org/what_is_the_best_enzyme_cleaner_for_dog_urine.pdfIn PDF document text
    • http://wisatemubudu.medianewsonline.com/nikon_dx_afs_nikkor_18-55mm.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4393901/normal_5ffbe6242fb23.pdfIn PDF document text
    • http://garanibukumom.scienceontheweb.net/jarasorem.pdfIn PDF document text
    • http://fepaporipevari.mypressonline.com/voxejiroru.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4450257/normal_5fe6eea512395.pdfIn PDF document text
    • https://fubareno.weebly.com/uploads/1/3/1/4/131482864/87b7b.pdfIn PDF document text
    • http://xelibirujegid.mywebcommunity.org/dewalt_dws780_instruction_manual.pdfIn PDF document text
    • http://winovigamaj.mygamesonline.org/seworepivaxafukata.pdfIn PDF document text
    • https://nutovavodus.weebly.com/uploads/1/3/4/0/134012609/4716452.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/ae4e0e88-f6f4-4fd6-b31c-20cc861d956d/how_do_i_reset_my_polk_subwoofer.pdfIn PDF document text
    • https://s3.amazonaws.com/bepukuba/no_limit_holdem_theory_and_practice.pdfIn PDF document text
    • https://s3.amazonaws.com/lopadivupudexa/jerelamovenojuritenumigix.pdfIn PDF document text
    • http://kufekisawisewo.onlinewebshop.net/what_is_considered_a_good_psat_score_for_a_junior.pdfIn PDF document text
    • http://ginowane.onlinewebshop.net/63730016398.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/df3347f1-5e0e-4c9f-93cd-de7dfef632fa/eclipsemp3.com_fit_clip_plus_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/vidadaviwal/video_recorder_free_for_windows_8.pdfIn PDF document text
    • https://s3.amazonaws.com/ropuba/lukuxanux.pdfIn PDF document text
    • https://s3.amazonaws.com/wezukep/ximikoxojukunotuvemozexu.pdfIn PDF document text
    • http://salajire.onlinewebshop.net/71616151960.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_off0000d132.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD132 5216 bytes
SHA-256: 223a4895ae641a6d36446002ed5a8e0c42fd9641e77da010263f47abadf965b5
font_01_sfnt_off0000e317.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE317 9848 bytes
SHA-256: e83fab92a4a9de66affecc21580f96c89d394af7d04996d6f87cfbc07273c4c1

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