MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS uploads or disposable hosting, suggesting a phishing or malware distribution scheme. The document body was unreadable, but the presence of numerous external links and the 'link farm' heuristic strongly suggest the primary attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614321501a4ef---dixete.pdf In PDF document text
- https://madspot.dk/ckfinder/userfiles/files/79137480602.pdfIn PDF document text
- http://origo.ws/userfiles/file/95922845661.pdfIn PDF document text
- http://olynskiconstruction.com/pics/file/97925115354.pdfIn PDF document text
- https://samsungdvm.net/upload/ckfinder/files/38689195874.pdfIn PDF document text
- https://ahha.az/userfiles/file/84204320607.pdfIn PDF document text
- https://somogyplusz.hu/files/nuxesadogeludawanub.pdfIn PDF document text
- http://winecellarkeeper.com/ckfinder/userfiles/files/jemupetula.pdfIn PDF document text
- https://kaptenhoki.info/contents/files/vofurononizelo.pdfIn PDF document text
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16141d6dd2cdc6---95166560456.pdfIn PDF document text
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145ac1a5e06c---78127498380.pdfIn PDF document text
- http://www.musicboxpiano.com/contentfiles/3939388731.pdfIn PDF document text
- http://rentappli.com/tinymce/jscripts/tiny_mce/plugins/phpimage/phpimage/upload/images/file/16746819201.pdfIn PDF document text
- http://shippingengineering.com/files/ckeditorothers/97105305097.pdfIn PDF document text
- http://purepassion.pl/userfiles/file/22288570809.pdfIn PDF document text
- https://icoachyou.biz/images/ckeditor/files/mozanurinefu.pdfIn PDF document text
- http://phonphangschool.com/upload/files/mijavetilezex.pdfIn PDF document text
- http://ouhkpthaa.org/userfiles/rexilusadagapukasizuvi.pdfIn PDF document text
- https://irastuff.com/admin/ckfinder/uploads/files/xoxixamekokibimamag.pdfIn PDF document text
- https://idealist.ro/userfiles/file/kowitumuvidupisemojuxe.pdfIn PDF document text
- https://lecachet.fr/docs/files/56344537180.pdfIn PDF document text
- http://rehahomecare.com/upload/editor/files/34463677768.pdfIn PDF document text
- http://vaynhe.com/upload/files/47397645986.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=watch+infinity+war+freePDF 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_off0000b1fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1FD | 10292 bytes |
SHA-256: 2c271db096e2b0947f161241ed2da7ae1e8dddc80c51d5196612a8f4b0d16de4 |
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font_01_sfnt_off0000c932.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC932 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e144.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE144 | 18420 bytes |
SHA-256: e1d4b805c5b3bd186538ebc5636a15ca532a62eb4495142e011795e87df09f9c |
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