MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable domains, indicating a link farm designed to redirect users. The ML classifier strongly flagged this PDF as malicious, and the heuristic firings confirm its nature as a link farm on potentially compromised infrastructure. The primary goal appears to be directing users to external, untrusted resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
Heuristics 5
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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://allytemp.ru/uplcv?utm_term=how+to+transfer+data+from+android+to+android+using+usb+cable PDF link annotation
- https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/b3r6id1m7bt1ltj0eri03ekcrc/xolinoluzaramuretefupawu.pdfIn PDF document text
- http://ukwoodrecycling.com/userfiles/files/93557916619.pdfIn PDF document text
- https://www.privathospitaletkollund.com/ckfinder/userfiles/files/xudijeralof.pdfIn PDF document text
- http://adamex.ukrkarta.ua/fckeditor/userfiles/file/fabodaxora.pdfIn PDF document text
- http://xn--80aaffebba2apgigwiiececnggk9e4k.xn--p1ai/pict/file/lobufobuwasegigow.pdfIn PDF document text
- http://technimexvn.com/images/ckeditor/files/guxumoxefupajixijapidejan.pdfIn PDF document text
- https://tdfstore.it/file/17146412561.pdfIn PDF document text
- http://21cedu.com/pds/userfiles/files/21139500893.pdfIn PDF document text
- http://coral-travel66.ru/admin/ckfinder/userfiles/files/41984799256.pdfIn PDF document text
- http://baliretreatcenter.com/olabali_ci/media/images/newsfiles/tugozapizepu.pdfIn PDF document text
- https://sporyolu.com/resimler/files/fifumupakepulon.pdfIn PDF document text
- http://capableapp.com/uploads/files/21445646162.pdfIn PDF document text
- http://netdepphunu.vn/images/userfiles/file/66298589702.pdfIn PDF document text
- http://nissanotogovap.vn/uploads/images/files/duvapokot.pdfIn PDF document text
- http://goldmustang.ru/files/files/73498722687.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/161334ed78bde2---60760843815.pdfIn PDF document text
- http://ballarioarchitetti.eu/userfiles/files/44172482168.pdfIn PDF document text
- http://malopolskiszlakwinny.pl/upload/File/31911340324.pdfIn PDF document text
- https://sibiucuratenie.ro/fckeditor/userfiles/file/fivobinifuvikopipi.pdfIn PDF document text
- http://abbuffalowings.com/uploads/files/fuvumosodilifi.pdfIn PDF document text
- http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/07tug3jp39h284aper20q786k1/37690812363.pdfIn PDF document text
- http://urgentcarepb.com/userfiles/file/75860572890.pdfIn PDF document text
- http://bjdfszwy.com/filespath/files/20210917081054.pdfIn PDF document text
- http://xn--80aafbladvtgxneccoge3bt.xn--p1ai/pict/file/95775707561.pdfIn PDF document text
- 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_off0000b637.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB637 | 16468 bytes |
SHA-256: 14a036655b8160f09c2784a68ae9cd1f668e8e2c135bf3d40d341adb5636595c |
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font_01_sfnt_off0000e002.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE002 | 11136 bytes |
SHA-256: 08967c63f0ec2655bba901663587d0c94fdc6b1594207d0df12614ebcf5a361d |
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font_02_sfnt_off0000f9d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9D1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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