MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware distribution. The presence of multiple external URIs and a link farm heuristic points towards an attempt to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://kawanmto.net/contents/files/44032147293.pdf
- http://thesciencenetwork.org/uploads/files/84411144198.pdf
- https://justforjetscatering.com/userfiles/image/files/46523418162.pdf
- https://performanshost.com/calisma2/files/uploads/11382194925.pdf
- http://zatoodesign.com/userfiles/files/22143534760.pdf
- https://gullyracing.it/admin/ckfinder/userfiles/files/7800765466.pdf
- http://alrabbanoilandgas.com/file/files/29671489616.pdf
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613e7b5176405---piwofoxapefobodekupokegiz.pdf
- https://granitnet.hu/editor_up/dutolevelibumipiwegulaz.pdf
- http://volkshilfe-ktn.at/images/content/files/duvabolasititiju.pdf
- https://halkum.rs/files/bepuxeri.pdf
- http://ckm-machinery.com/userfiles/files/kapomixinoxovuwipurorepaz.pdf
- http://theheavent.com/userfiles/files/62468914711.pdf
- https://nabijdefossa.nl/upload/files/13309297821.pdf
- http://iweldbot.com/ckfinder/pho/files/50682110559.pdf
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/3ml4nrpkog9pnio1k7elr5o97d/zuxine.pdf
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/36e4bbc3a4c33675391865d72b357890/nariro.pdf
- http://ymjgolf.com/file_media/file_image/file/73574258257.pdf
- http://arqing.es/ckfinder/userfiles/files/mozozuzori.pdf
- http://avandcie-energy.com/ckfinder/userfiles/files/bedogudozaguzu.pdf
- http://bangkokmagnetwire.com/ecodev_test/image_system/files/17025569220.pdf
- http://primeasset.hu/fileok/file/36487368493.pdf
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161409365c04d5---zokanolebebamun.pdf
- https://bunianco.com/other_files/File/26302449858.pdf
- http://melly-incendie.fr/img_db/1214677970.pdf
- https://cytairtool.com/test/userfiles/file/20210903_d4e1c.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=note+10+launcher+prime+apk+download
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e12e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE12E | 16792 bytes |
font_01_sfnt_off0000f945.bind28e4977f03d9d1f1e99faf3b07a66493d9a402b9541523f5607979f64b98dba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF945 | 11040 bytes |
font_02_sfnt_off000112d3.bind107bc590e6cc7964d989be9d3ec551702df180298af45a1268795aaf9cd0733 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112D3 | 19332 bytes |
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