Malicious PDF — malware analysis report

Static analysis result for SHA-256 2513b96ba5c28742…

MALICIOUS

PDF

83.2 KB Created: 2021-03-17 16:53:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 06d3e9aaa7ffe41cd1f542868a701339 SHA-1: 38b0eefbf2db08d5e3ef0b958a0168a7f43eb915 SHA-256: 2513b96ba5c287429d2fc216280439bc06e380aaef4c523aa5659716124253c9
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF file contains numerous external links, many hosted on disposable domains, characteristic of a link farm designed for SEO manipulation or malware distribution. The ClamAV detection and ML classifier strongly indicate malicious intent, likely to trick users into downloading further malicious content or visiting phishing sites. The presence of a 'download button' lure reinforces this phishing or malware distribution pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://xezojetit.ru/wix?keyword=breaking+night+liz+murray+pdf+free+download PDF link annotation
    • http://moxilekulina.getenjoyment.net/sesulujanusa.pdfIn PDF document text
    • http://topvideo.design/vikukipupadebokinatafoega94.pdfIn PDF document text
    • http://fovoxarofej.getenjoyment.net/satezugixerafamav.pdfIn PDF document text
    • http://card2card.live/kikojc5816.pdfIn PDF document text
    • http://creditscorecard.info/gonoliwi5akvx.pdfIn PDF document text
    • http://thedouche.xyz/92825442318z8lyw.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/eec493ab-6851-4c82-bf00-947f24683398/3463373394.pdfIn PDF document text
    • https://35479656-6a94-44d6-ac55-da507c14a2ae.filesusr.com/ugd/d68318_89dcfbde174a483e9f0da8a7ef798173.pdf?index=trueIn PDF document text
    • https://d525ee04-2a40-494f-8ba9-fee52f7b18ee.filesusr.com/ugd/8b8e24_5a27eafd80464d328c57c26e950a2a5a.pdf?index=trueIn PDF document text
    • https://6cda4dd4-8aac-43e7-8003-7c0eea9f7907.filesusr.com/ugd/34e26e_118739dd594a4b75ae02f8e0fdd2d624.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/c3ab0f15-9dd5-4488-80b6-5d36a5afd0ca/amazon_prime_video_cloudy_with_achance_of_meatballs_2.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fde4f045-20b6-4d23-a45a-975b1ac0bca3/how_to_volunteer_for_red_cross_kenya.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c3ecaa48-7504-4031-981f-88841261ee64/the_odyssey_worksheet_part_2_answer_key.pdfIn PDF document text
    • https://8d684a1e-4078-49cd-b336-05adf09473b6.filesusr.com/ugd/2b25e8_7772d331697340609777519f665a7d49.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/04729844-dcff-44df-ab85-7e2a851b80bf/what_are_the_different_drawing_tools.pdfIn PDF document text
    • https://3ae4d138-4ba3-4962-98fb-1b98b40a6a82.filesusr.com/ugd/38062a_16074090a49b490cbf9fa4fe065c9609.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/2a6cffad-d061-4687-bbf4-56a72a5d9c38/68384922164.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0f55f5e5-b0c0-4720-afa5-2bfea29dbfab/addie_training_model_what_is_it_and_how_can_you_use_it.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/48c8c39c-92d4-44d0-a229-d4f6b7a04f77/rodexova.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c77bff90-1807-480e-81f1-cc4db98af6f1/23761347402.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/47aca57c-3734-4912-bc2e-be49fd8672a3/35517167265.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
    • 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_off0000ee70.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE70 5632 bytes
SHA-256: e2f529ba37e90708861c67f1ee0c7e9ca763b6a1e8cb31ea3a068204a44f20d2
font_01_sfnt_off00010196.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10196 11168 bytes
SHA-256: 655df8b4814616c77708977c23614589abbc82d033c34b5b20525b886079522d
font_02_sfnt_off0001280b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1280B 16248 bytes
SHA-256: cacce353daa52449aaa2dc03ff14e12d7f37b8e2e541d6bae97b449db5f5a003