Malicious PDF — malware analysis report

Static analysis result for SHA-256 702615e2d06b250c…

MALICIOUS

PDF

93.0 KB Created: 2021-07-23 01:58:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-09-15
MD5: 84f36b77414de8328128d5dd245e42f5 SHA-1: 304b0c18611cb6697f63dea2d7f44510d3c3fb3e SHA-256: 702615e2d06b250cc3dd567030ae9461a29855979cfe175d9543d29640c64030
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or malware distribution attempt. It functions as a link farm, containing numerous URLs pointing to compromised WordPress sites and other domains, likely intended to lure users to malicious content. The PDF structure and embedded links suggest an attempt to exploit users through deceptive redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/ed4f878550bebb6036753aeed442d890/76334159239.pdf In PDF document text
    • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/neuj23uqs1deqf2gb6r161u6pf/zukibosafu.pdfIn PDF document text
    • https://christianklein.eu/Quansis/ckfinder/userfiles/files/67288657057.pdfIn PDF document text
    • https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/7f12b7c441a0de5eebbab974f1c9345e/neviduzalukojumevaputu.pdfIn PDF document text
    • https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8d52c064e9---38937535900.pdfIn PDF document text
    • https://sunnyvale.com/wysiwygfiles/file/15027576107.pdfIn PDF document text
    • http://aucoindeshalles.fr/menu/file/29285241466.pdfIn PDF document text
    • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/a40e7179be0b34f7f42de0b447b7ec65/dedolepu.pdfIn PDF document text
    • http://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074f8f592695---meturipavejejema.pdfIn PDF document text
    • http://lyzebrno.cz/userfiles/file/80397941183.pdfIn PDF document text
    • https://aartipalette.com/userfiles/file/tojoxivemezelu.pdfIn PDF document text
    • https://www.djluk.co.uk/wp-content/plugins/super-forms/uploads/php/files/pihst7klqbhdi3eg0ojbqpuor8/dakowawe.pdfIn PDF document text
    • https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/63c8922d1717a6f7d34ba49141e2a61e/nitezoxapokizaribajuli.pdfIn PDF document text
    • https://www.cosanuesa.com/componentes/editor/ckfinder/userfiles/files/wufisapubopenazudididobin.pdfIn PDF document text
    • http://ekotop.eu/userfiles/file/dagexo.pdfIn PDF document text
    • http://lhjmfamily.com/clients/5/5d/5d8645f74963a96e1aea25f3b610eff6/File/vovonutuze.pdfIn PDF document text
    • https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160734bb254e87---6515348310.pdfIn PDF document text
    • https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a63cf6dc3af---sezuxavegi.pdfIn PDF document text
    • http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f170c9b3c50---fuzemubaboxisukoni.pdfIn PDF document text
    • http://akifkasaboglu.com/esatfisek/images_upload/files/83458462801.pdfIn PDF document text
    • https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/40c1b9dd41543d1f564e16142a56a1d6/86113454522.pdfIn PDF document text
    • http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160bc203496397---12773033671.pdfIn PDF document text
    • https://iwnta.com/userfiles/file/56272329233.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=morey%27s+salmon+cooking+directionsPDF link annotation
    • 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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn 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
font_00_sfnt_off00010288.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10288 19156 bytes
SHA-256: f5c429f375511612862ad57272633b3813acf7769ba8d8696b6c0010ff52fb1a
font_01_sfnt_off00013536.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13536 10944 bytes
SHA-256: c9b6b9ea2e4ce76d6ff1fe81cb581fc52fbc2ef4982ddfe17a4358a829fce9f2
font_02_sfnt_off00014e7e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14E7E 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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