MALICIOUS
182
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to domains hosting further PDF files. One prominent link redirects to a malicious infrastructure, likely to facilitate further malicious downloads. The document body itself is minimal, containing only a lure for a 'free download' of educational material, which is a common social engineering tactic.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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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://ttraff.ru/wb?keyword=cambridge%20igcse%20ict%20second%20edition%20pdf%20free%20download In PDF document text
- http://files.jeelsphoto.com/uploads/1/3/2/7/132740398/figilerovifojipovo.pdfIn PDF document text
- http://files.gatetocommunicate.com/uploads/1/3/1/4/131409508/8276851.pdfIn PDF document text
- http://files.kitalerafiki.com/uploads/1/3/0/8/130873830/kovov_tefusegojiwenav.pdfIn PDF document text
- http://files.kimberleyashleecatering.com/uploads/1/3/0/7/130739690/wiwaxupoxadawex_bawulixi_jajisar_lerazim.pdfIn PDF document text
- http://files.rushizle.com/uploads/1/3/0/7/130776338/3326136.pdfIn PDF document text
- http://files.samtoth.com/uploads/1/3/1/6/131606550/dazigasaguzo.pdfIn PDF document text
- http://files.kmphotographyma.com/uploads/1/3/1/4/131407165/1126974.pdfIn PDF document text
- http://files.orangevalleycreations.com/uploads/1/3/1/3/131383510/bujofaketuwomidabej.pdfIn PDF document text
- https://tijiwozaros.files.wordpress.com/2020/06/sexelemexizus.pdfIn PDF document text
- https://wifuvabasit.files.wordpress.com/2020/07/jewubikabovo.pdfIn PDF document text
- https://tifivoperib.files.wordpress.com/2020/07/femavataz.pdfIn PDF document text
- https://rodawewek.files.wordpress.com/2020/06/fobugimesalufedi.pdfIn PDF document text
- https://julapuja.files.wordpress.com/2020/07/lezagazoderodu.pdfIn PDF document text
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