MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of embedded URLs, many of which point to compromised WordPress upload directories or disposable hosting. The ML classifier and ClamAV heuristic strongly indicate maliciousness, classifying it as a phishing trojan. The primary function appears to be acting as a link farm to distribute traffic to potentially malicious or compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://108pizza.pl/uploads/userfiles/files/dapidisadixofisedi.pdf In PDF document text
- http://dharmapremipariwar.org/userfiles/file/surijaxaj.pdfIn PDF document text
- http://rayer.cn/d/files/63743799800.pdfIn PDF document text
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afbfeab1aa4---54895073689.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16081aadddddab---73332780883.pdfIn PDF document text
- https://inmaabiladi.com/userfiles/files/sagef.pdfIn PDF document text
- http://www.hermosabeachbungalows.com/userfiles/files/49986277116.pdfIn PDF document text
- http://gloria-eurex.com/images/blog//file/78761890275.pdfIn PDF document text
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/mlkep0m8g2blcp59o4q12v4r9r/66179188134.pdfIn PDF document text
- https://dpt-mh.com/uploads/news/files/4605249500.pdfIn PDF document text
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/1609c4bec13f70---53193648407.pdfIn PDF document text
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1608c5d740108b---gutufizokimadililavuwur.pdfIn PDF document text
- https://meganimal.pt/site/upload/file/wojefevujugododozilejis.pdfIn PDF document text
- http://www.elstar.ru/uploads/files/finidojuzaros.pdfIn PDF document text
- http://jsushibrea.com/uploads/files/zupozovuw.pdfIn PDF document text
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/042bb9f6dfa44577d23b39610245ba9e/92556555969.pdfIn PDF document text
- http://simonide.org/userfiles/file/31916166289.pdfIn PDF document text
- https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/3258a90b65f9b5bf6afcf95772929f59/burewij.pdfIn PDF document text
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cb087beba2---1347709710.pdfIn PDF document text
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbcc3a8ef0a---mitafezifawezutubevopub.pdfIn PDF document text
- http://reicar.dk/userfiles/file/xatesutakifapi.pdfIn PDF document text
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/95c4f5b8d45814930c112f40af74cd84/79933704611.pdfIn PDF document text
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/1609c47d1d5f4d---silukutufedejisibowavol.pdfIn PDF document text
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a3c1c3d33da---rusidudub.pdfIn PDF document text
- http://cnex.cc/images/blog//file/rifimifulojijijaxizo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=passion+of+the+christ+background+music+free+downloadPDF 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_off00010001.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10001 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011818.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11818 | 11344 bytes |
SHA-256: 29903f68f4b8f9bce0513317c026f49ce66ba2ff99c54da7a271810e07e0e6c6 |
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font_02_sfnt_off0001327b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1327B | 16744 bytes |
SHA-256: d07ecf830b8a508b7a2cc825d85598e09553a57ba8ad925c1fe3a91df0f35fb5 |
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