MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains URLs that appear to be part of a link farm, aiming to direct users to potentially harmful content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
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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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://ttraff.com/pify?keyword=earthquake+intensity+and+magnitude+worksheet
- http://gaguxamep.fleurspressed.com/uploads/1/3/2/6/132696067/4703236.pdf
- http://files.riversideministries.com/uploads/1/3/0/9/130969241/0476adc11.pdf
- http://files.spencersnygg.com/uploads/1/3/1/6/131637477/bofipogisamew-wajazu-tilurijiba-pexixupegus.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/5117/1478/files/40326203687.pdf
- https://cdn.shopify.com/s/files/1/0432/4573/2007/files/nogaxesade.pdf
- https://cdn.shopify.com/s/files/1/0434/4630/4920/files/xapesozipura.pdf
- https://cdn.shopify.com/s/files/1/0431/3979/3050/files/fodedunuweti.pdf
- https://cdn.shopify.com/s/files/1/0431/7636/2150/files/62244409185.pdf
- https://cdn.shopify.com/s/files/1/0437/3122/2689/files/hydraulic_bearing_puller.pdf
- https://cdn.shopify.com/s/files/1/0430/8231/7975/files/microbial_ecology_books.pdf
- https://cdn.shopify.com/s/files/1/0429/1903/5033/files/punctuation_marks_quiz.pdf
- https://cdn.shopify.com/s/files/1/0434/8212/0358/files/70277933334.pdf
- https://cdn.shopify.com/s/files/1/0437/1962/2808/files/extent_report_gradle_dependency.pdf
- https://cdn.shopify.com/s/files/1/0433/8440/6181/files/revagedivepiwujitawi.pdf
- https://cdn.shopify.com/s/files/1/0429/7929/5385/files/bugetopowasusa.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000650b.bin60fee08864994453ca0aa243450219bbc1945fdd3739c01e107bc124fcf957a2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x650B | 5548 bytes |
font_01_sfnt_off000077cd.binf5f3694c26384a1227c4273b4693fed831acaf47a02bbd7b65f6e84044c93fe9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77CD | 10272 bytes |
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