MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of embedded links, many of which point to Shopify domains hosting PDF files, but one critical link redirects to `ttraff.cc`, a known malicious redirector. This suggests a link farm or SEO poisoning tactic designed to drive traffic to malicious infrastructure. 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/wb?keyword=present%20tenses%20review%20worksheet
- http://files.prezziessugarloaf.com/uploads/1/3/2/7/132740606/niripuz.pdf
- http://files.zanieducation.com/uploads/1/3/1/4/131437513/9d9337.pdf
- http://files.gallowayflowers.co.uk/uploads/1/3/0/7/130776603/nivilo-gemovewutibi-zanis-xinorib.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/2883/9586/files/33800608436.pdf
- https://cdn.shopify.com/s/files/1/0431/5129/4619/files/9991302640.pdf
- https://cdn.shopify.com/s/files/1/0432/0978/5499/files/gexudenapusarilaramuro.pdf
- https://cdn.shopify.com/s/files/1/0430/4335/6825/files/amplificateur_d_instrumentation_exercice_corrig.pdf
- https://cdn.shopify.com/s/files/1/0438/6367/0939/files/14061031793.pdf
- https://cdn.shopify.com/s/files/1/0435/9369/5395/files/pujajizutogive.pdf
- https://cdn.shopify.com/s/files/1/0430/6763/7922/files/30426102697.pdf
- https://cdn.shopify.com/s/files/1/0429/5062/3385/files/30650583494.pdf
- https://cdn.shopify.com/s/files/1/0429/5429/3402/files/75233892633.pdf
- https://cdn.shopify.com/s/files/1/0431/2439/2087/files/kopekoxinigowep.pdf
- https://cdn.shopify.com/s/files/1/0430/2408/9242/files/95788519541.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_off00004c2d.bin71ca21ab6c33cd7252019a319466e37c3da00417e7b06fba8f3952664e75a932 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4C2D | 4748 bytes |
font_01_sfnt_off00005c64.bin0698b1d7593eabba341f8643bef075691fe94d5fcff1aacb71a1794f976b924b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C64 | 10052 bytes |
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