MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, indicative of a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution. No scripts were extracted, but the structure and URL patterns are consistent with a malicious document designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://guowangcable.com/d/files/20597618805.pdf
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d904c7f3052---lovuwinofuzir.pdf
- https://bloomeng.com/uploads/damegiro.pdf
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609ce42eb330e---vazobukudo.pdf
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cc72614ba8---16294776485.pdf
- https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/4b26556de2b4e15fd5db7daabdbaf15a/sidur.pdf
- https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/6sen123r7jc4cof87jk32dm5hf/totanokukepibowaniwal.pdf
- http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bb965afeab---milaruzinupenubuzowevofi.pdf
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1606ebc425f2cd---nakalu.pdf
- https://vuaship.com/wp-content/plugins/super-forms/uploads/php/files/r1vrtftgip1tdm8chufercjfam/41119724424.pdf
- https://bravo-hk.com/userfiles/file/kotironagu.pdf
- http://www.houstonorientalrug.com/ckfinder/userfiles/files/6113056172.pdf
- http://michellesmithscott.com/clients/36670/File/zokoxojevapasasujegatop.pdf
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607943eb4696a---zelujegipumerowuzuvipe.pdf
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bc90df3037---zexubuvogomewone.pdf
- http://ersatzmonitor.de/userfiles/file/42061600965.pdf
- http://churchtextile.com/userfiles/file/biromajumupimomebilaw.pdf
- https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/lum6vff5eeajssrg8467oubja2/89082531259.pdf
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/afe92538bede6e18f53195fe6e13e40c/fitujeb.pdf
- http://livinglearningandworking.org/clients/e/e0/e05af8355f71d8da3aa90f500b9284b3/File/nelemepivutatazef.pdf
- https://advik.net/userfiles/file/paxasemumetazikopa.pdf
- https://iphonerepairservice.nl/app/webroot/files/userfiles/files/56240920535.pdf
- https://circolodelpistone.ch/userfiles/file/rerakarazagu.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=you+are+worthy+of+our+praise+lyrics
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c965.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC965 | 16792 bytes |
font_01_sfnt_off0000e17c.bin486319fdbee6f28017b1892253639bc8e303a2e0a7682194a0a054a86ea996ad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE17C | 10756 bytes |
font_02_sfnt_off0000fa79.bin9e47b57f945e025d38b754f6997bd0bbcb4da117fdbdc5d90ba384328a534562 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA79 | 16728 bytes |
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