MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The presence of numerous external URIs, including one with a 'utm_term' parameter suggesting tracking, and the heuristic identifying it as a link farm on disposable hosting, points towards a phishing or malware distribution scheme. Although no scripts were explicitly extracted, the PDF structure itself likely facilitates redirection to these malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 5
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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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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://infrive.ru/uplcv?utm_term=what+do+i+do+if+i+forgot+my+pattern+lock PDF link annotation
- http://gearonlaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/32862353379.pdfIn PDF document text
- https://www.potravinyav21.cz/ckfinder/userfiles/files/texemibatimufes.pdfIn PDF document text
- https://candbco.com/ckfinder/userfiles/files/96694605667.pdfIn PDF document text
- http://vietnam-intraco.com/webroot/img/files/nenepasa.pdfIn PDF document text
- https://www.ojchamber.com/ckfinder/userfiles/files/41019462446.pdfIn PDF document text
- http://mvdeastudio.it/userfiles/files/rowakobapalunixuzudaxabo.pdfIn PDF document text
- http://farmandari-sarvestan.ir/images/news/files/mobizagugivowataluf.pdfIn PDF document text
- http://balie.overeembv-profielen.nl/upload/files/57776468825.pdfIn PDF document text
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/5g3l7dibgudn2avoebfm0uf82q/pizejuro.pdfIn PDF document text
- http://kavernoklub.com/campannas/file/fafufonodepukojipomof.pdfIn PDF document text
- http://www.maderas-navarro.com/ckfinder/userfiles/files/molaxifov.pdfIn PDF document text
- http://artbaget.net/admin/ckfinder/userfiles/files/debitaxubejudofezoro.pdfIn PDF document text
- http://johnlillylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/24888888492.pdfIn PDF document text
- https://gadd-asso.org/userfiles/file/70317725809.pdfIn PDF document text
- http://gdlejia.com/uploadfile/files/20210909_172617.pdfIn PDF document text
- http://joesservicecenternj.com/userfiles/files/kesedupudimekanabogexi.pdfIn PDF document text
- https://lotusmarinevn.com/upload/files/64776089314.pdfIn PDF document text
- http://fencefactoryny.com/userfiles/file/53527636306.pdfIn PDF document text
- https://jmcoverseaspvtltd.com/uploads/files/josonotiw.pdfIn PDF document text
- http://centreforeffectivecoaching.com/media/file/98177322494.pdfIn PDF document text
- http://myxroad.net/upload/userfiles/file///tosorogojofimo.pdfIn PDF document text
- http://ybshajiang.com/userfiles/file/2021-09-03/210903100807163403yone7cyc2tnu.pdfIn PDF document text
- https://juniorclublivorno.com/sitonews/images_upload/files/85800646453.pdfIn PDF document text
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614218ca95748---86090233867.pdfIn PDF document text
- https://dongphuchuytai.com/upload/files/fetebigezolile.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_off0000e110.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE110 | 19096 bytes |
SHA-256: 09652f1b9d65b9d8a0b0cb1c9e99ee6e97cbf2d224ecb2c41228f95d5ba12e9c |
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font_01_sfnt_off0001123d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1123D | 11100 bytes |
SHA-256: 9050014fde742ce4e646d3c5fef288fe19ba23bdb0ab268ed2bc90621f63e576 |
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font_02_sfnt_off00012bbf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BBF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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