MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. The document contains numerous links to external websites, many of which are hosted on disposable domains or compromised CMS uploads, suggesting a link farm or phishing lure. The presence of these links, combined with the PDF's structure, points towards an attempt to redirect users to malicious content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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 http://zjqzzx.com/uploadfile/file/2021062107533373499.pdf In PDF document text
- http://anhuishangbiao.com/upload_fck/file/2021-7-7/20210707011847880375.pdfIn PDF document text
- http://sbstroy53.ru/img/files/zuzegalafikakilo.pdfIn PDF document text
- https://hbphoto.ca/resimler/files/29247431281.pdfIn PDF document text
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/2f92ce9ebb9f419260cec7575d30b0a6/jidil.pdfIn PDF document text
- http://dui-antidote.net/images/userfiles/file/81024969341.pdfIn PDF document text
- http://xn--80aesyq.xn--p1acf/files/file/katotokezevid.pdfIn PDF document text
- https://quizai.com/uploads/files/golemab.pdfIn PDF document text
- http://officinedesign.it/userfiles/files/35331422137.pdfIn PDF document text
- https://xehowo24h.com/images/ckeditor/files/madinalininevav.pdfIn PDF document text
- http://roycraft.ca/userfiles/file/fejirikirufunefiru.pdfIn PDF document text
- https://habibitoursegypt.com/ckfinder/userfiles/files/24156457619.pdfIn PDF document text
- http://lifemartrealestateconnect.com/wp-content/plugins/super-forms/uploads/php/files/8qvvkpkb5ccgljr6ecgg9sodd0/gonizupixibobib.pdfIn PDF document text
- http://inwallendorf.de/userfiles/file/24904857911.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/vg0an53ugoh18go9a2s0v55bkt/88125441259.pdfIn PDF document text
- http://tznjl.com/userfiles/files/bojubeg.pdfIn PDF document text
- https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/c8nbqejo3189pt72kb0dhm3490/81232949752.pdfIn PDF document text
- http://xn--ob0bjxt9h99icicrvkksa421cwwp7hiv4d6a.net/ckfinder/userfiles/files/59395716304.pdfIn PDF document text
- https://seeyounow.net/userfiles/file/30785810161.pdfIn PDF document text
- https://actioncoach.com.my/wp-content/plugins/formcraft/file-upload/server/content/files/160a14d7065a32---mopogexufupujobemubiruk.pdfIn PDF document text
- http://zulassungsservice4you.de/bilder/file/37268554429.pdfIn PDF document text
- http://pitchdecor-construction.com/user_img/files/nekalotigovu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=chicco+bravo+trio+car+seat+manualPDF 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_off0000af51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF51 | 14344 bytes |
SHA-256: 39b71c9960fc29808f4fbec97690e3f26e60e7892a1c3b4e8d42de82b0c7ec35 |
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font_01_sfnt_off0000d2fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2FB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000eb12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB12 | 10832 bytes |
SHA-256: 7d5499720f0459ffc3686c90081046c5911c2ea26ac728f9f333768286e94c15 |
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