MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to benign Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the URL for the malicious redirector, suggesting a lure to disguise the malicious intent. 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.ru/pify?keyword=the+sociology+of+education+a+systematic+analysis+6th+edition+pdf
- http://files.allscopaceticfamilyfarm.net/uploads/1/3/1/6/131636825/5519825045e.pdf
- http://files.ntabiledesigns.com/uploads/1/3/1/4/131438528/kerabozawa.pdf
- http://files.kimberleychiropractic.com/uploads/1/3/1/0/131070866/7393020.pdf
- http://files.livinginhealthyconnection.com/uploads/1/3/0/9/130969855/4852653.pdf
- https://cdn.shopify.com/s/files/1/0431/2875/0241/files/ubuntu_install_gcc.pdf
- https://cdn.shopify.com/s/files/1/0434/1547/0245/files/90919900433.pdf
- https://cdn.shopify.com/s/files/1/0434/1320/9246/files/xewumip.pdf
- https://cdn.shopify.com/s/files/1/0431/9005/9157/files/kuxegipunexirema.pdf
- https://cdn.shopify.com/s/files/1/0428/9658/8967/files/95724892460.pdf
- https://cdn.shopify.com/s/files/1/0449/7352/3112/files/tratado_de_bucareli_original.pdf
- https://cdn.shopify.com/s/files/1/0430/1789/6089/files/zevoduneziwajotodivor.pdf
- https://cdn.shopify.com/s/files/1/0432/6454/0835/files/sekilav.pdf
- https://cdn.shopify.com/s/files/1/0432/4923/8184/files/58461673698.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/61047377128.pdf
- https://cdn.shopify.com/s/files/1/0438/3899/6642/files/37517226073.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004750.bin33bd297ffb056ff230b6dd07ca8df5bbb1e54b4d663daa4b2a7c0e61b7599f24 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4750 | 5680 bytes |
font_01_sfnt_off00005a86.bin402dddb1868216d0a65b85a54c050442176e503b72002128c590d8afd5c3554f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A86 | 10116 bytes |
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