MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised WordPress upload directories, suggesting it functions as a link farm to distribute further malicious content or phish users. No scripts were extracted, and the document body was unreadable binary data, but the heuristic findings strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9678
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://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b11f6a1875a---5631211277.pdf In PDF document text
- http://kalikraft.com/images/file/49713110970.pdfIn PDF document text
- http://orgue-chantepie.info/FCKeditor/upload/file/79243074571.pdfIn PDF document text
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1608968cfdb981---25482379273.pdfIn PDF document text
- http://firegallery.ru/img/upload/23666362251.pdfIn PDF document text
- https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/2c6ff3eb3cdc2d715235f063bd71295a/mejizaruru.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/3e9835445482836bca5c777df1ff2611/40876324800.pdfIn PDF document text
- http://beiwendq.com/userfiles/file/boxupazexu.pdfIn PDF document text
- http://urbanconstructions.org/images/uploadedimages/file/8931821327.pdfIn PDF document text
- http://schoonhovensvrouwenkoor.nl/ckfinder/userfiles/files/12758798154.pdfIn PDF document text
- http://www.advokat.com/app/webroot/img/fck/file/jexuriw.pdfIn PDF document text
- http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609eff0798e02---fivixuwobixotukuduf.pdfIn PDF document text
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd0eca4a1d1---25629948672.pdfIn PDF document text
- https://ntpuvoice.com/ckfinder/userfiles/files/wagunevof.pdfIn PDF document text
- http://technoculture.cz/admin/upload/file/46368405297.pdfIn PDF document text
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/4b3ef66dac515f678b51fb9ee2d4a214/37412732431.pdfIn PDF document text
- http://savvyais.com/userfiles/file/dexun.pdfIn PDF document text
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1607c5c54d17d1---59748686957.pdfIn PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/79270425598.pdfIn PDF document text
- https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/10b3abcf71e3b9440a02879e599cf522/72499063521.pdfIn PDF document text
- https://lastcallslc.com/wp-content/plugins/super-forms/uploads/php/files/3532d782b18e64442415a8da59742afa/gofigovugukanajovixa.pdfIn PDF document text
- https://tenshinorchids.com/FCKeditor_upload/file/nuzixonorafa.pdfIn PDF document text
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/5c5eeiicg7fquong85fmfamiu6/57184759981.pdfIn PDF document text
- https://cncostruzioni.com/userfiles/file/3912559648.pdfIn PDF document text
- https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/1373e5318a3efd42cdfa9121afd0e269/2772311128.pdfIn PDF document text
- http://abaj.cz/UserFiles/File/dewefu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=mother+tongue+and+k+to+12+curriculum+content+and+pedagogyPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010adb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ADB | 17220 bytes |
SHA-256: b738f4c81fd61ee5af805e4d750547844ffb8f6f4db3e4d102a7cc2184c603b6 |
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font_01_sfnt_off00012456.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12456 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013c68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C68 | 17212 bytes |
SHA-256: 68063a277c312a22a407384f691da94c49b8418e31efcdfa9c6e9e60910014b3 |
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font_03_sfnt_off00016925.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16925 | 11264 bytes |
SHA-256: 687e194d1ffecffd4b6d674a99d209da7f7877637c057e264db989dfcff65c15 |
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