Malicious PDF — malware analysis report

Static analysis result for SHA-256 e60ef128d747ce32…

MALICIOUS

PDF

101.0 KB Created: 2021-06-29 15:04:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-09-13
MD5: e0b7463c68238995718efe471c628597 SHA-1: 1fbdcfa0c8f251f096704ecbdc138b723fdadb85 SHA-256: e60ef128d747ce32d3eee7be21b6ad002fd479a1f62ee720414c6d286c884e73
196 Risk Score

Malware Insights

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

This PDF document is classified as malicious by ML models and ClamAV, exhibiting characteristics of an advance-fee scam. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting an attempt to redirect users to phishing or malware distribution sites. The document's structure and content strongly indicate a lure for a fraudulent lottery, prize, or parcel delivery scheme.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9929

Heuristics 7

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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://coretry.ru/uplcv?utm_term=shred+power+cleanse+pdf PDF link annotation
    • https://bd-sokolovska.eu/userfiles/file/99246793474.pdfIn PDF document text
    • http://kimandyoo.com/userfiles/file/52837193826.pdfIn PDF document text
    • https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/64b5df5b4ca32487cb3208549fc728b7/ropow.pdfIn PDF document text
    • https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1609d94b876077---fevijod.pdfIn PDF document text
    • http://ebsenglish.net/_UploadFile/Images/file/36421402467.pdfIn PDF document text
    • https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/ohk0366m3dalngcgcetsn58klf/35739739518.pdfIn PDF document text
    • https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/m1sjsrh8f76jli7ra2mptdqgb1/zamoleda.pdfIn PDF document text
    • https://baongochoa.com/upload/file/28798291929.pdfIn PDF document text
    • https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608df1efc1929---tozik.pdfIn PDF document text
    • https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/2m0mo6gkujd1jnah48qf0h467t/3788532330.pdfIn PDF document text
    • http://charivne.info/images/file/fezogi.pdfIn PDF document text
    • http://talleresjpg.es/img/file/7220016997.pdfIn PDF document text
    • https://ecobox.eng.br/wp-content/plugins/super-forms/uploads/php/files/v7gid79g5ibr5uvrhpb04er898/24795815165.pdfIn PDF document text
    • http://lapenya.cat/imgjovesnaves/file/92057090950.pdfIn PDF document text
    • https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/53bec112ebd03951c53f493e9f8a0b81/46321350892.pdfIn PDF document text
    • http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c41887d1910---20615153258.pdfIn PDF document text
    • https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d5024f7eac3---xezupalapegesopuzetefam.pdfIn PDF document text
    • https://eventaipei.com/upload/files/kofipapenutofepat.pdfIn PDF document text
    • https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/6d4e4651992e25459f284d3dbaccc352/gabenawivonusibavi.pdfIn PDF document text
    • https://syntellect.ru/Repository/file/pagepiruwifiruseduwut.pdfIn PDF document text
    • https://gamepinleri.com/calisma2/files/uploads/worogezip.pdfIn PDF document text
    • https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/07f5254b0172733ee72ff0a64bd3cedc/doxasar.pdfIn PDF document text
    • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/ranlmgn7euavh0rmij50t9nhqo/suxezadojune.pdfIn PDF document text
    • https://burkina-businessschool.com/business_school/uploads/file/vorigirokalakiwadex.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001259d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1259D 10688 bytes
SHA-256: 22afd06960661e7a6f90e997420bdac2d1d28ad44acc3037bfccd02867d3448a
font_01_sfnt_off00013e19.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13E19 18156 bytes
SHA-256: 40e0117c76ae803a0735b8338c73ead68fcc5f9a36b05ee135512613da006753
font_02_sfnt_off00016d55.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16D55 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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