Malicious PDF — malware analysis report

Static analysis result for SHA-256 08614eb089935012…

MALICIOUS

PDF

69.6 KB Created: 2021-03-04 18:43:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 941b72e4adba60efc16a5bf418524800 SHA-1: 8a2a00b78957e2cda3db44ad1edeb0e8292dd687 SHA-256: 08614eb089935012d658df25d3b07bbc538d98be66991a281edae3f65b3592f4
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://seumenha.ru/wix?keyword=vocabulary+workshop+unit+11+answers+level+f PDF link annotation
    • https://cdn.sqhk.co/legusovej/ghbeiib/singing_bowl_set_afterpay.pdfIn PDF document text
    • https://cdn.sqhk.co/sewujuzanas/guBggMx/flatbush_zombies_day_of_the_dead_ep_zip.pdfIn PDF document text
    • http://registrat.space/997356972094tw3y.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410207/normal_6032ff6f0fa8d.pdfIn PDF document text
    • http://olipaka.xyz/ray_bradbury_info7b7wu.pdfIn PDF document text
    • https://cdn.sqhk.co/welosezu/3RYifhe/gubediza.pdfIn PDF document text
    • https://cdn.sqhk.co/rapawaferew/higHheB/drift_hunters_unblocked_run_2.pdfIn PDF document text
    • https://cdn.sqhk.co/ramawuvade/jhjq3bE/60690856867.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4383572/normal_5fe2386f5edb2.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4489988/normal_5feed67608570.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/muwemivumazulax/jovenuvewotafuloxow.pdfIn PDF document text
    • https://s3.amazonaws.com/saxefi/nezin.pdfIn PDF document text
    • https://9cf93ecd-64ee-4ad6-afcc-f350577a7522.filesusr.com/ugd/c4dbd3_c3a90debbdc246b7bafec1267d65b81e.pdf?index=trueIn PDF document text
    • https://147762ec-90f0-4523-8579-43cb3cd17c82.filesusr.com/ugd/6c48b9_40143cc6fccf45c19d0d531a05dca948.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/juliziwojatige/maze_runner_death_cure_movie_review.pdfIn PDF document text
    • https://s3.amazonaws.com/pazovugal/lion_king_circle_of_life_piano.pdfIn PDF document text
    • https://6bb2b61b-82bf-473b-8365-63ddb02ddbdd.filesusr.com/ugd/d55797_f5d3881600d64fcda0a56694a9b94fba.pdf?index=trueIn PDF document text
    • https://be9c8297-50e9-4ec8-be22-7cc4068ef96a.filesusr.com/ugd/fc3b0b_5ab9232b46374983a6267c941a19db27.pdf?index=trueIn PDF document text
    • http://zejibanunepi.myartsonline.com/56060764981.pdfIn PDF document text
    • http://rewuwuja.onlinewebshop.net/47464645430.pdfIn PDF document text
    • https://s3.amazonaws.com/jolituzoji/canonical_transformation_wiki.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c787.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC787 5460 bytes
SHA-256: ac69e6ee0ba804f4871e933e95a13b19d7ebc98c3d4b273e2c762a31fb81f61f
font_01_sfnt_off0000da24.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA24 9592 bytes
SHA-256: 7c8f0424eae9c121663dbb3f1e29a54daebed374cd74259c2788bc83032a6563
font_02_sfnt_off0000faf3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFAF3 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e

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