MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm directing users to multiple compromised websites, which in turn host other PDF files. This suggests a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for delivering a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9921
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://imcborivali.org/userfiles/file/bobuzimipepabapenosoduz.pdf
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/985ab4187bc44f58f56f6388937bf699/68768689515.pdf
- https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/47d26db9a00a91c709b81007d6c1fe7d/jikifekorutijuzalojus.pdf
- http://cuhs1981.com/clients/8/82/82ca37c076ec4232796cb58ed009bb3a/File/kozonenaninoxuzobukeru.pdf
- https://atraba-holding.com/userfiles/file/xijofofatonemiwiwezadet.pdf
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b1069240bbf---47659431620.pdf
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/7ce1563eafc2c18b88bdb859e6cbf488/luxodedize.pdf
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7866a97d9---28191612976.pdf
- http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/52l5kvh00rvc4sj34a434vinu1/21111296427.pdf
- http://rorolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zelisofimet.pdf
- https://barrierball.cl/ckfinder/userfiles/files/44976166651.pdf
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1607b143671540---mawunanipasonapi.pdf
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/3ei8h3cjl33g2kvam2orbdf9c4/teduxemi.pdf
- http://centrons.com/uploaded/file/187341878160d31ced1f021.pdf
- http://mxagproducts.com/upload/browse/file/5257052793.pdf
- https://birudongker.com/contents//files/laxobe.pdf
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082de596b3fc---nozawudotogerofiwezuxu.pdf
- http://voijin.com/userfiles/files/42441655656.pdf
- https://valenciamaids.com/userfiles/files/ninasewesurixolaji.pdf
- https://brod-plovdiv.com/images/vunarawuk.pdf
- https://nepalmicrofinancesummit.org/userfiles/files/53349828267.pdf
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/ee1a76287f78acca5f2c464bfd57ea7b/52577208025.pdf
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/87cca429675f7aa865d37a3fa6fdccaa/wagidalubomilisufejiwaf.pdf
- https://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/a377084738c6c214ebe8c7688733f456/gomiwejug.pdf
- http://vinag7furniture.com/app/webroot/files/editor_upload/files/tamawiwa.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=good+morning+love+prayer+for+my+wife
- 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_off00014538.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14538 | 16792 bytes |
font_01_sfnt_off00015d4a.bineed44fd35151603d3687bd0a23c7e46591cba0588289c49de57d8fe311cacd3d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15D4A | 17460 bytes |
font_02_sfnt_off00018a82.bin916729ba275e96e3fe4f9d128044cb99d7f459a783a1e0e2edce24bcd38e0cb0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18A82 | 10880 bytes |
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