MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file is identified as malicious due to its structure and embedded links. It contains a large number of external links, many pointing to Shopify-hosted PDFs, which is indicative of a link farm. One prominent link directs to a known malicious redirector infrastructure, suggesting an attempt to funnel users to harmful content. The ML classifier also strongly flagged this PDF as malicious.
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.ru/pify?keyword=the+abc+s+of+calculus+volume+1+pdf
- http://files.jillwongphotography.com/uploads/1/3/0/9/130969695/1db84d8f4.pdf
- http://files.greentechcostarica.com/uploads/1/3/0/7/130738892/1081458.pdf
- http://files.hisinscriptions.com/uploads/1/3/0/7/130740066/ca085ca6.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/5082/6919/files/lavikexuxi.pdf
- https://cdn.shopify.com/s/files/1/0433/2388/3688/files/94288219793.pdf
- https://cdn.shopify.com/s/files/1/0431/1865/7697/files/buzukemupopu.pdf
- https://cdn.shopify.com/s/files/1/0429/0235/6124/files/58939018338.pdf
- https://cdn.shopify.com/s/files/1/0438/3745/6534/files/74398225796.pdf
- https://cdn.shopify.com/s/files/1/0436/2086/0064/files/59737558989.pdf
- https://cdn.shopify.com/s/files/1/0435/4398/6340/files/8384880295.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/muxolalinurijelibabozafod.pdf
- https://cdn.shopify.com/s/files/1/0432/4337/2699/files/file_clerk_job_description.pdf
- https://cdn.shopify.com/s/files/1/0433/4836/1375/files/14332110144.pdf
- https://cdn.shopify.com/s/files/1/0429/9977/5381/files/19194400857.pdf
- https://cdn.shopify.com/s/files/1/0431/2920/8992/files/duzixebepa.pdf
- https://cdn.shopify.com/s/files/1/0435/9153/2699/files/74941060860.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_off00005dee.bin46fb937dfd1c29ce146beaa26fa16a4f0ffec02cbe56e6d29c2c4004bcdfabf6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DEE | 5500 bytes |
font_01_sfnt_off00007087.bind3c1a6b1a95a5817fa21bd41d6404467bae19c191fdf7a53ff0f60ee1bacbede |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7087 | 11120 bytes |
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