MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a URL that is algorithmically generated and hosted on disposable infrastructure, strongly suggesting a malicious intent to distribute further malware. The ClamAV detection and ML classifier further support this assessment. The embedded link is designed to trick users into downloading a file, likely a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://canxetaidientu.com/images/file/siviboju.pdf In PDF document text
- http://duocmyphamcongty.com/app/webroot/uploads/files/rixinevalalizejukinomag.pdfIn PDF document text
- http://abnicum.com/files/file/kivabutitabezulozefok.pdfIn PDF document text
- http://importfoodfair.com/userfiles/image/2021/09/file/xomoberenil.pdfIn PDF document text
- http://ebd.su/UFD/7623/files/dulewesajadabud.pdfIn PDF document text
- http://svx.su/ffile/file/tedowiruxakopinowo.pdfIn PDF document text
- http://4998horo.gmmwireless.com/contents/files/23647707369.pdfIn PDF document text
- http://jjw-led.com/userfiles/file/bawaxozapulexemerir.pdfIn PDF document text
- http://mecaniquekd.ca/upload/file/32525629430.pdfIn PDF document text
- http://goksirlambinowice.pl/img/upload/files/futoredimolofutejubiv.pdfIn PDF document text
- https://istanajp.com/contents/files/bugosatamobixepiru.pdfIn PDF document text
- https://textosl.com/upload/editor/file/buwogotinujogaroxi.pdfIn PDF document text
- http://3gr-group-com.gbintl.com/ci/userfiles/files/72360817099.pdfIn PDF document text
- http://ambvetesopo.eu/userfiles/files/sadigajusofakenekik.pdfIn PDF document text
- http://xn--k1akb4c.xn--p1ai/userfiles/file/5127024819.pdfIn PDF document text
- https://milosislandrooms.gr/userfiles/file/kejugatifavat.pdfIn PDF document text
- https://www.notusweb.com.br/ckeditor/ckfinder/userfiles/files/52633533920.pdfIn PDF document text
- http://fcraregistration.com/UploadedData/file/78180952702.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612f923f83f51---nakabipif.pdfIn PDF document text
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/bbpavtkrjpq91tgq7bp3it8770/61941418994.pdfIn PDF document text
- http://urotunisia.com/uploads/FCK_files/file/86598499123.pdfIn PDF document text
- https://flomogroup.com/upload/files/tiwopexupejatixowixiv.pdfIn PDF document text
- http://www.immo-uno.com/ckfinder/userfiles/files/ritug.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=harry+potter+all+series+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_off0000d7cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7CB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000efe2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFE2 | 10576 bytes |
SHA-256: 95d59c1cbd71236c7002531463fa1a0fecb2d2415ffb48820d5750496d622d6a |
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font_02_sfnt_off00010828.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10828 | 18524 bytes |
SHA-256: 4b994ac3c6b7520a8a290b90ebadd60404f7bf9f439a1c5cda5bd14eae6dda2e |
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