MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many pointing to compromised CMS upload directories and disposable hosting, indicating a link farm designed to distribute malicious content. ClamAV and ML classifiers strongly indicate maliciousness, with the primary function appearing to be directing users to external, potentially harmful, resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
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://ca1970.com/clients/10044/File/8543774647.pdf In PDF document text
- https://brandonsmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/49r1ivemosr5eg0mfjum49frd2/digokukafimuruzuvam.pdfIn PDF document text
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/16097f31f94fbb---xebosofemagetuxowota.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079332b66834---wonikuzisumuxefazi.pdfIn PDF document text
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608248d05e000---rikixiruki.pdfIn PDF document text
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/0eor10edjp7nb619mfmgn9n7u6/72366370567.pdfIn PDF document text
- https://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/4f81a41b9b3477c3bc70650f3368c05c/safufabaxem.pdfIn PDF document text
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bb75cc17ea---73023652774.pdfIn PDF document text
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/725cck86vk8k3gp6kavva5a654/57046849310.pdfIn PDF document text
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b216cfe53b1---78097671899.pdfIn PDF document text
- http://sgadsahodayatarntaran.org/sahodyatarntarannew/userfiles/file/wovuxutojavim.pdfIn PDF document text
- https://rosewoodcity.org/nbloom/fckuploads/file/wifexesof.pdfIn PDF document text
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/h1ne2gu40bsn5b7er71efglg8n/nufabewiwotesedigeb.pdfIn PDF document text
- http://flagrant-desir.com/userfiles/file/degevosepuzodujufojef.pdfIn PDF document text
- http://amon-syotengai.com/userfiles/file/55092993627.pdfIn PDF document text
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16073bee5eceb3---temorenibukisofimivav.pdfIn PDF document text
- http://tpokebar.com/uploads/files/50092854597.pdfIn PDF document text
- https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/45621bba721a745ae0d7913c95a9b392/vusawiwowuw.pdfIn PDF document text
- http://septumdent.com/img/userfiles/files/12466449924.pdfIn PDF document text
- https://robotics-institute.com/wp-content/plugins/super-forms/uploads/php/files/dav66nqp4oi2ao9sf41u68guij/gofajev.pdfIn PDF document text
- http://2440027.ru/upload/file/mebewetaxuzimuwot.pdfIn PDF document text
- http://www.medicellbank.com/userfiles/files/66153816955.pdfIn PDF document text
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/jcb2q8rmcqjpmdi0982jnb37md/60759525705.pdfIn PDF document text
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088d7af6ec52---76977525618.pdfIn PDF document text
- http://aryajob.com/user_upload/file/16903463487.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=a+reason+the+renaissance+began+in+the+italian+city+states+was+that+theyPDF 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_off0001315b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1315B | 10832 bytes |
SHA-256: 94ac8d6087cb148a3b7797467d681be001cd48a1b56b7847ead4551fbe44cbdd |
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font_01_sfnt_off00014a5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14A5E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00016270.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16270 | 17656 bytes |
SHA-256: 26f9f7f4cb393cd0825f9466d2bf2ad710b73278b7a19f9f18aa61ae39b82ef2 |
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