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 other PDFs, suggesting a link farm or SEO poisoning tactic. One prominent URL, https://ttraff.com/pify?keyword=cengage+physical+chemistry+part+1+pd, is flagged as a malicious redirector. The ML classifier strongly indicates maliciousness, and the overall structure points to a phishing or malware distribution attempt disguised as academic resources.
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=cengage+physical+chemistry+part+1+pd
- http://files.conesetsclass.com/uploads/1/3/2/7/132740361/2808063.pdf
- http://wanox.usaboxingmetro.com/uploads/1/3/0/8/130813528/4d045a0.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/2953/6676/files/liranefoboxef.pdf
- https://cdn.shopify.com/s/files/1/0434/7687/7478/files/pulepopirim.pdf
- https://cdn.shopify.com/s/files/1/0432/3059/3192/files/lavajumaril.pdf
- https://cdn.shopify.com/s/files/1/0432/7328/9888/files/werapapufirejeloxamolel.pdf
- https://cdn.shopify.com/s/files/1/0433/3872/7589/files/13106105357.pdf
- https://cdn.shopify.com/s/files/1/0432/9222/9797/files/kitijulakezafajomolu.pdf
- https://cdn.shopify.com/s/files/1/0431/7125/0336/files/zanilivupawod.pdf
- https://cdn.shopify.com/s/files/1/0435/8579/8301/files/xaligelekapeke.pdf
- https://cdn.shopify.com/s/files/1/0449/3400/4891/files/bansal_classes_chemistry_notes.pdf
- https://cdn.shopify.com/s/files/1/0435/5588/1115/files/bsc_magazine_october_2020_free_download.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_off00005cbe.bin87ef889554a01169d8264f424653092ad18ed1e51a0f497c1e6f5c381404e7e3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CBE | 5544 bytes |
font_01_sfnt_off00006f70.binb8ff27b85f5662bc1b1cd4b5b5e284079aa3eedd485c0ead5925079c07ceffd0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F70 | 10068 bytes |
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