MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains a link farm with numerous URLs pointing to compromised WordPress sites, likely serving as a distribution point for further malicious activity. The presence of these links suggests an attempt to lure users to external, potentially harmful, resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/rsto7qaniu2deok9k606nnb5s5/zukuroxodogizasu.pdf In PDF document text
- http://incomsistema.ru/ckfinder/userfiles/files/66239672106.pdfIn PDF document text
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/82cf99af311730768bc7ab19e32208d4/vebumobujilapidug.pdfIn PDF document text
- http://jinistudy.com/_UploadFile/Images/file/jipabaked.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a5d64301718---92249222624.pdfIn PDF document text
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/fr4ald8hkqopj73ul7qtjgfm3j/liwobipunomesewavexewen.pdfIn PDF document text
- https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/63f2e42f37483e170cd91ccda78a0404/pabedonin.pdfIn PDF document text
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/22u8j9oasqcqrb38ha4hsuuum4/lafazepilonorubis.pdfIn PDF document text
- https://www.alphaveneers.com/wp-content/plugins/super-forms/uploads/php/files/44cfb3344b7a6c7378e0aabf985daac7/97029007996.pdfIn PDF document text
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/c9gfm171abaig2pk78tntnuee5/71337328771.pdfIn PDF document text
- https://b2cexpressdemo.com/userfiles/file/xijomomawukokid.pdfIn PDF document text
- http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/16084ef173c803---16147892801.pdfIn PDF document text
- http://zulaikhatextile.com/userfiles/files/jurekofexogokatozemedagif.pdfIn PDF document text
- https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/b67be506f7a796fdc5ae3c44fcd3198a/kakarax.pdfIn PDF document text
- https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/908f32cba84ddc4d9a5c63867c029219/zoxabupezozaxokijetoron.pdfIn PDF document text
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160871cd4b87b2---25585981123.pdfIn PDF document text
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c4184399d4---xumekuzebigemutakup.pdfIn PDF document text
- http://escuelasfutbol8.com/docs/files/zizoxadovinewixikezobodu.pdfIn PDF document text
- http://7seapharmtech.com/Uploadfiles/files/82781478317.pdfIn PDF document text
- http://xinyaoqiye.com/upload_fck/file/2021-6-5/20210605034642463231.pdfIn PDF document text
- https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/c3122f4fe02ba4ab8760ed32893d1d2e/tubudijago.pdfIn PDF document text
- https://takipcisec.com/calisma2/files/uploads/xagubaxasugufib.pdfIn PDF document text
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca56ffd76e8---gobuxolu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=dna+extraction+strawberry+lab+answersPDF 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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cfd5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFD5 | 17444 bytes |
SHA-256: 50be7bf7e43da13a7d9cda6c70adc60bb8d0a53f1f74951876af40d548eaa79d |
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font_01_sfnt_off0000fce1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCE1 | 10664 bytes |
SHA-256: 3cdf854dfefc04f16514fb6c7f93baaed4dc91fd2dc58857d55d4f6b09c8e077 |
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font_02_sfnt_off00011592.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11592 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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