MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for executing malicious code. It also features a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to distribute further malicious content or phish users. ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://gallery4walls.com/upload/editer/file/kiwizegifofokabujew.pdf In PDF document text
- http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fd9e175766---lawesurupufagipotowuviwe.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/318f60be6a085be42cf487d8f2d3e282/sitegoko.pdfIn PDF document text
- http://railwaysrailroads.com/upload_files/files/mesomunupomekejutag.pdfIn PDF document text
- http://mwflower.com/upimagesfile///75118530979.pdfIn PDF document text
- http://akcjonariusz.com/UserFiles/file/68744789949.pdfIn PDF document text
- http://carnow.jp/js/upload/files/14522615560.pdfIn PDF document text
- http://assushop.com/userfiles/assushop.com/file/bowikelipibiwulapibo.pdfIn PDF document text
- http://sanraimundo.cl/dyn/uploads/file/wunovovigowuber.pdfIn PDF document text
- https://www.enterpriselighting.com/wp-content/plugins/super-forms/uploads/php/files/d556280949a0d8ac7128f124bd87ae1b/56391962804.pdfIn PDF document text
- http://orsini-blasioli.it/userfiles/files/gonasidobebirikuxirenob.pdfIn PDF document text
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160dfa35e300e1---lozawexisowowasomezizeda.pdfIn PDF document text
- http://xn----1-6cdapb2bdyqawnpcindqfc.xn--p1ai/media/file/jiperorolaki.pdfIn PDF document text
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/96491432107695c72d9a5cdd98bb0385/91455640463.pdfIn PDF document text
- https://lescourailleurs.com/upload/editor/file/xanazisagisixuxelubiz.pdfIn PDF document text
- http://www.prieteniitehnicii.ro/documente/file/bojiwilutatavajobap.pdfIn PDF document text
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d53ac810930---19143203849.pdfIn PDF document text
- http://selmanoglusigorta.com/userfiles/file/vamefefukiwira.pdfIn PDF document text
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ea1f6dd780---pikabikilevuv.pdfIn PDF document text
- http://andrenickels.de/ckfinder/userfiles/files/xoxulorasu.pdfIn PDF document text
- http://garderoba.sk/images/_file/77920996352.pdfIn PDF document text
- http://eskuvoiiranytu.hu/blog/file/56952939586.pdfIn PDF document text
- https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/777b4894217da1d6877b07286e1d7a63/52328348345.pdfIn PDF document text
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/161216a8986b4b---13328137577.pdfIn PDF document text
- http://digimaap.com/wp-content/plugins/super-forms/uploads/php/files/a154ksq4numkgddf33olvaujgu/mivamutanafileb.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=volvo+s40+2000+service+manualPDF 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_off0000d41d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD41D | 10748 bytes |
SHA-256: c3294e8878ae12c408dee78e2ecfad740d89fd33c2fc3a9fbfbd886960ebb2e7 |
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font_01_sfnt_off0000ecee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECEE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010500.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10500 | 17384 bytes |
SHA-256: 0f67d6353550111ab03984f3fa308a79d8f04195fcfa638138e42fa85fc55ac8 |
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