MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a high number of external links, many pointing to potentially disposable domains, indicating a likely attempt to lure users to malicious content or download further payloads. The heuristic PDF_RANDOM_URL_LINK specifically highlights a link to a PDF file hosted on a suspicious domain.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://sjar-tech.com/uploadfile/file///2021090119013614.pdf In PDF document text
- http://patroha.hu/file/5020206005.pdfIn PDF document text
- http://adice-area.com/pictures/files/90568768981.pdfIn PDF document text
- https://impactmediaresources.com/userfiles/file/93396768307.pdfIn PDF document text
- https://icrs-as.com/userfiles/file/xerudet.pdfIn PDF document text
- http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/53a7525860e9f222b004dbe07a444f37/serixadodenef.pdfIn PDF document text
- https://izr.fr/files/20979114010.pdfIn PDF document text
- https://giga-tronics.com/userfiles/files/xabedemonimunoxinuloro.pdfIn PDF document text
- https://dotcomtravelegypt.com/userfiles/files/84203683775.pdfIn PDF document text
- https://granitnet.hu/editor_up/90148832503.pdfIn PDF document text
- https://www.edm-medical.net/ckfinder/userfiles/files/vugililowixegetamekur.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16135a1775ccdc---sidegupezudovawo.pdfIn PDF document text
- http://aquaclub.hu/userfiles/file/39109962789.pdfIn PDF document text
- http://bestpokeya.com/uploads/files/33378000407.pdfIn PDF document text
- http://haustechnik-hagenauer.at/lobolixukobis.pdfIn PDF document text
- http://tk-weld.com/images/library/File/98440657120.pdfIn PDF document text
- https://mariapolis.net/ckfinder/userfiles/files/3438303652.pdfIn PDF document text
- http://appextskihjthj.handysociality.com/upload/files/gagidawugesamiguj.pdfIn PDF document text
- http://geometracosentino.com/userfiles/files/pogujasenedovikur.pdfIn PDF document text
- http://xenangheli.vn/public/files/54472718734.pdfIn PDF document text
- http://ambulatorioveterinariobubiniregini.eu/userfiles/files/winovezotimijaxijowig.pdfIn PDF document text
- https://digireg.se/upload/33177580748.pdfIn PDF document text
- http://ingatlantv.tv/userfiles/files/mivinuwezoxises.pdfIn PDF document text
- http://robalton.es/Albums/images/file///sidepesitowisuxux.pdfIn PDF document text
- http://canadanur.com/resimler/files/negupodatubin.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=download+mivo+tv+for+pcPDF 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_off0000e533.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE533 | 18244 bytes |
SHA-256: d6f01e30de2384d1c1ef8e31e0c0c78b4b2221757202af79a20af6a24d6aaf53 |
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font_01_sfnt_off00011508.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11508 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012d1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D1F | 10632 bytes |
SHA-256: f6e182ebed30ee591c0e4279911bfbf9dc3482e1673fbdb25beecdf2ec927162 |
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