MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to Shopify domains hosting PDF files. One critical heuristic identified a link to a known malicious redirector, ttraff.cc, which is likely used to obscure the final destination of the malicious payload. 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.cc/pify?keyword=bioassay+pdf+download
- http://files.selaliphotography.com/uploads/1/3/1/4/131453684/wizuduvi_kezaf_bijogiwirujimut_ginuzowe.pdf
- http://files.burchcreekanimalhospital.com/uploads/1/3/1/6/131606256/f5cc1c7bd938.pdf
- http://files.decodingdyslexia-az.com/uploads/1/3/0/7/130738903/8545861.pdf
- http://pubchem.ncbi
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/4872/2851/files/dialectical_behavior_therapy_skills.pdf
- https://cdn.shopify.com/s/files/1/0434/5734/7749/files/zugalokiluzabepugadeporat.pdf
- https://cdn.shopify.com/s/files/1/0432/0686/9147/files/jofopibuvaza.pdf
- https://cdn.shopify.com/s/files/1/0430/9975/0560/files/telovexo.pdf
- https://cdn.shopify.com/s/files/1/0429/3600/8870/files/52152241653.pdf
- https://cdn.shopify.com/s/files/1/0433/4141/4552/files/46079376568.pdf
- https://cdn.shopify.com/s/files/1/0433/0595/9574/files/kavirelezosaki.pdf
- https://cdn.shopify.com/s/files/1/0431/2553/8970/files/16533947412.pdf
- https://cdn.shopify.com/s/files/1/0434/4011/1782/files/33460032044.pdf
- https://cdn.shopify.com/s/files/1/0434/8228/4194/files/diltiazem_davis_drug_guide.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_off0000c626.binfde199fbdce30e83cfa51806780090609c557ff78869f9c7677d8046dd6a608f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC626 | 5184 bytes |
font_01_sfnt_off0000d7f1.bin9f095023f67c8af82e6f5886171acc46cafa7933a9dc453075e2bc330434a29c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7F1 | 9980 bytes |
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