Malicious PDF — malware analysis report

Static analysis result for SHA-256 06b201f539f008b7…

MALICIOUS

PDF

192.5 KB Created: 2021-03-27 10:27:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: b6c2197305b688edebecabef73d57869 SHA-1: b2cdb2ee74f1213429202674e4e119ea260d91e1 SHA-256: 06b201f539f008b7677c30cc57117c6b24a02ce015f95a4be33b9d6d0b0a4387
126 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://resalured.ru/wix?keyword=toshiba+satellite+a505+user+guide PDF link annotation
    • http://figimumagoko.mygamesonline.org/pegabijapawawemigifivow.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368781/normal_60205b51b3508.pdfIn PDF document text
    • https://cdn.sqhk.co/livukigelo/jfCo6tF/awesome_tanks_3_hacked_unblocked.pdfIn PDF document text
    • http://linufiwanekume.scienceontheweb.net/4321534153.pdfIn PDF document text
    • https://cdn.sqhk.co/kawiwitifa/ahiHBjb/75743915966.pdfIn PDF document text
    • http://lusolakidareve.mywebcommunity.org/analytical_mechanics_fowles_solutions.pdfIn PDF document text
    • https://cdn.sqhk.co/tuwetebep/JgjpicW/senate_definition_apush.pdfIn PDF document text
    • http://sewatumafuta.medianewsonline.com/landscape_architecture_design.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4470533/normal_60523908701b9.pdfIn PDF document text
    • https://sowovejapa.weebly.com/uploads/1/3/4/7/134709895/0fb683e.pdfIn PDF document text
    • http://suporefebakibur.mygamesonline.org/42590285407.pdfIn PDF document text
    • https://cdn.sqhk.co/ditetona/cjhhbEQ/telegram_x_app_store_ios.pdfIn PDF document text
    • https://cdn.sqhk.co/nunologen/nel7A7B/80074848181.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4478655/normal_600281a7c42da.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4417207/normal_5fee37ed2b683.pdfIn PDF document text
    • http://dosefokinuvulo.mypressonline.com/concierto_de_aranjuez_adagio_piano.pdfIn PDF document text
    • https://bilujadaju.weebly.com/uploads/1/3/4/7/134772480/mojowi.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/lovomijelun/hammond_sk1-73_gig_bag.pdfIn PDF document text
    • https://s3.amazonaws.com/zubata/xukepiwane.pdfIn PDF document text
    • http://bifiwapaz.onlinewebshop.net/72392194235.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off0002376e.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2376E 39476 bytes
SHA-256: fc49108f7fc781e2ab0a3886471f248b13cb6048970c3698218aaac62d6e653b
font_01_sfnt_off0002add7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2ADD7 5444 bytes
SHA-256: 89010873064ca3db9e9336f53a04c1e7a80040d58bd4290750a6a2a31b387ce2
font_02_sfnt_off0002c04d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2C04D 15876 bytes
SHA-256: d5fd152bfa3b47ef72485458cd9c7a6690f186f53c116453cc8f92b8e74535fe

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