MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links pointing to various domains, many of which appear to be compromised or disposable hosting, suggesting a link farm designed to redirect users. The presence of external URIs and compromised CMS upload links indicates an attempt to lead users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://garglob.ru/uplcv?utm_term=como+baixar+videos+no+celular+android PDF link annotation
- https://tjpapigroup3.com/contents/files/33211710558.pdfIn PDF document text
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/16140936e61098---mivajifelitide.pdfIn PDF document text
- http://xn----9sbbnbtte4cyg.xn--p1ai/ckfinder/userfiles/files/10823637821.pdfIn PDF document text
- http://forma8.kz/ckfinder/userfiles/files/lanulaji.pdfIn PDF document text
- http://appinaris.net/ckfinder/userfiles/publics/files/bigulujavujigadema.pdfIn PDF document text
- https://loppisidjupdalen.se/images/uploaded/file/57096530468.pdfIn PDF document text
- http://soskuwait.com/outscapes/admin/ckeditor/uploads/ck/files/96313194934.pdfIn PDF document text
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/310a3af6b6f99740842a1a8744c864a5/10646984640.pdfIn PDF document text
- https://avela.md/userfiles/file/lukok.pdfIn PDF document text
- http://sm.ac.th/ckfinder/userfiles/files/jerawoxemi.pdfIn PDF document text
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/212f37d9f05d5c13f7ec55d51818abba/joralin.pdfIn PDF document text
- http://epplast.com/files/file/19253049656.pdfIn PDF document text
- https://bnbcostaverde.it/userfiles/file/pivebodipolefosuri.pdfIn PDF document text
- http://lawngo.net/fckfiles/10636051450.pdfIn PDF document text
- http://daivupaint.com/img-chamthi/files/danezusobivalowavebajujez.pdfIn PDF document text
- https://libertyrealestate.in/ckfinder/userfiles/files/38375216496.pdfIn PDF document text
- https://xn--90aoja6ahg5ds.xn--p1ai/uploads/files/63456834954.pdfIn PDF document text
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141d5777c79b---13203409665.pdfIn PDF document text
- https://windscrm.net/files/file/35381033436.pdfIn PDF document text
- http://audiencefertilization.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/tiseki.pdfIn PDF document text
- http://xdata.pl/app/webroot/img/ckf/files/gozavuponofaxudaxesula.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_off0000cf04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF04 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e716.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE716 | 17716 bytes |
SHA-256: 605a1d7e247a7ff28788a0316d3564e7f2e6742cafeaf2832e40dfed506df4b0 |
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font_02_sfnt_off000114a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114A8 | 10872 bytes |
SHA-256: e9781904a98dda385b9fd5e2181e9ec5fe1f8d75695a572967ff95bb7aa4f1dd |
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