Malicious PDF — malware analysis report

Static analysis result for SHA-256 14f70c7ff6ddca7c…

MALICIOUS

PDF

86.8 KB Created: 2021-06-26 05:05:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: 16bda8fc7e3f4a1b96daefd9a64a8d88 SHA-1: e7fbc72ccd9297d99b197ff886ed9fc4b18c83ae SHA-256: 14f70c7ff6ddca7ccc486918c96a33b902b1820abba2988323f5d84f60b37741
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, likely for phishing or malware distribution. No scripts were extracted, but the structure and URL patterns are indicative of a malicious PDF.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9947

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://philabc.ru/uplcv?utm_term=principles+and+practice+of+marketing+pdf PDF link annotation
    • http://goldnumber.info/userfiles/file/80140222942.pdfIn PDF document text
    • https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/b64c20c4cba74330b97400fbd04610c4/felavejofudexisaguwes.pdfIn PDF document text
    • http://barsugo.com/ckfinder/userfiles/files/lisilej.pdfIn PDF document text
    • http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16071c5076c1fd---51275155228.pdfIn PDF document text
    • http://fontanarosaserigrafia.it/userfiles/file/xideperuvasejodomibu.pdfIn PDF document text
    • https://aawyx.com/sites/default/imageuser/file/naxakovisiwebila.pdfIn PDF document text
    • http://rustproofingottawa.com/userfiles/file/67406500204.pdfIn PDF document text
    • https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/295095df398deb1c0f5b40f6689d536e/nokiwabebotetowuwitima.pdfIn PDF document text
    • https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/98d3c19ea54976607f71facd06d59ac8/50558481550.pdfIn PDF document text
    • https://amd-export.com/site/upload/file/kivumevawupatuwejoboxo.pdfIn PDF document text
    • https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16081caf0197a7---fowevadilasanujugom.pdfIn PDF document text
    • http://xn----9sbbnbtte4cyg.xn--p1ai/ckfinder/userfiles/files/57042631478.pdfIn PDF document text
    • https://cape-electronics.com/media/file/81435103873.pdfIn PDF document text
    • https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/b09ca5b2986eddee1fcac7fa0e84a66f/pexonafi.pdfIn PDF document text
    • https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/ba2d043ba630c83f49ac463287cdd77e/gavebok.pdfIn PDF document text
    • http://tutaylamhet.com/storage/ckfinder/files/lamagizama.pdfIn PDF document text
    • https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b8f15f10501---38520814514.pdfIn PDF document text
    • https://roweryelectra.pl/app/webroot/uploads/file/16216281384032.pdfIn PDF document text
    • https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/c6b8424cc180c7fe9a22ab64ca22466d/vanuzix.pdfIn PDF document text
    • http://www.knickmeier.net/images/pageimg/file/25312068083.pdfIn PDF document text
    • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/16085279826f78---75293401963.pdfIn PDF document text
    • https://rybczewice.pl/userfiles/file/mesilu.pdfIn PDF document text
    • http://mesterek.net/tmp/jezurabotupafabebafekis.pdfIn PDF document text
    • https://prosperitas.be/data/assets/file/daduvexodulomuragi.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

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_off0000ef56.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF56 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off00010768.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10768 17028 bytes
SHA-256: a42404d92e75f9c5545f2d290a14696a27d22b75c7e81eee322e6a4d08a9403d
font_02_sfnt_off000133e8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x133E8 11056 bytes
SHA-256: 206a1d7ccf75757c60e89e16ea619a71f99bc440c6536dca8590f7df98d6de16

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