MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm, with many URLs pointing to compromised CMS uploads and disposable hosting, indicating a phishing or redirection attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to lead users to malicious content or exploit kits.
Machine Learning
- Nyx PDF Classifier malicious score 0.9666
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 http://hum-lucknow.org/test/fckeditor/file/verade.pdf
- https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/17a9296813ed22c921efb3669c08a264/runimikeselemuwevupir.pdf
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607614c358dc0---26456626599.pdf
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/16088400dd939f---majojonejevemopar.pdf
- http://ebsenglish.net/_UploadFile/Images/file/34998697310.pdf
- https://sunarchegypt.com/userfiles/file/14899897318.pdf
- http://thelonerangerfanclub.com/ckfinder/userfiles/files/73804998341.pdf
- http://prattsofdouds.com/clients/d/d8/d85aab9f4bcbae69c8358f7a9990a0b1/File/vojazoni.pdf
- https://www.themeshcowork.com/wp-content/plugins/super-forms/uploads/php/files/85ea18b8bb8c13fd02750b804b3403e7/korewiredazilipoxob.pdf
- https://zlatartopalovic.rs//files/32939992213.pdf
- http://www.urbanwaterways.info/files/81911844605.pdf
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082061c8f943---67001683028.pdf
- https://sjalikave.hu/pictures/file/ragamewuwegu.pdf
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/160702fd243309---92354301359.pdf
- http://schodylux.pl/userfiles/file/98762329643.pdf
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160aff68f9a976---rudikuwafinezeg.pdf
- http://staresecurity.com/userfiles/file/womowejurazeginunaneb.pdf
- https://seerupit.dk/assens/file/12266406091.pdf
- http://componentcnc.hu/uploads/ckfinder/userfiles/files/kitesiruzeke.pdf
- http://kirakuramen.com/uploads/files/40897026964.pdf
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/44f115c0ed770840c126829c8f6025b7/kamuti.pdf
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1608738be1de7a---28805896658.pdf
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/0d84a1466935650d876b17b1ba95a699/xadud.pdf
- http://asiavent.com/UserFiles/file///88605287408.pdf
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607b70d3f1a43---14067304804.pdf
- https://www.aceitedeoliva.com/wp-content/plugins/super-forms/uploads/php/files/6af162392295ded544e4cfbea279e152/kijebomolixobegagarapok.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=boxer+cross+puppies+for+sale+near+me
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00013448.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13448 | 16792 bytes |
font_01_sfnt_off00014c59.bin10bd234ff2667c1801632d4d0b1948b967c3bb1b6d342e7d5aee6f0caaff1d37 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14C59 | 16236 bytes |
font_02_sfnt_off00016229.bin5ad950ad5293ac9c57297f9d9e38097bdec81b2658ea8f7f63d5e65e9fec86e2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16229 | 10796 bytes |
font_03_sfnt_off00017b0a.bin850b56f322375d51cc30255f22bab7e7bf44ae81b3c72f81dac23ad547c66225 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17B0A | 20556 bytes |
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