MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of external links, many of which point to benign Shopify URLs, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains text related to job interviews and the malicious URL, suggesting a lure. 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.com/pify?keyword=common+questions+and+answers+in+job+interview+pdf
- http://files.katiecakesbakery.com/uploads/1/3/1/6/131606583/suvebomukemuja.pdf
- http://files.schomesnc.com/uploads/1/3/1/3/131383383/1550015.pdf
- http://files.klynnewagner.com/uploads/1/3/0/7/130776602/gigixonevis-gosumazujupofus-junepajomuj-jofidafufemumof.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/6318/9405/files/ap_stylebook_2015.pdf
- https://cdn.shopify.com/s/files/1/0430/0704/9887/files/65097619870.pdf
- https://cdn.shopify.com/s/files/1/0428/3272/4124/files/39923068749.pdf
- https://cdn.shopify.com/s/files/1/0429/9508/9571/files/icici_bank_details.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kurejala.pdf
- https://cdn.shopify.com/s/files/1/0434/6000/1954/files/mowud.pdf
- https://cdn.shopify.com/s/files/1/0434/5593/8720/files/sivaxumiba.pdf
- https://cdn.shopify.com/s/files/1/0427/4287/4278/files/lupavaxowasigeb.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/surorut.pdf
- https://cdn.shopify.com/s/files/1/0436/2466/1154/files/27004109654.pdf
- https://cdn.shopify.com/s/files/1/0430/9313/1425/files/77644044513.pdf
- https://cdn.shopify.com/s/files/1/0434/5462/7993/files/binomial_theorem_iit_notes.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_off00006b8c.binb240b618f94c76910c81dded330003279aa4a38defb233a63924b050281a1d30 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B8C | 5552 bytes |
font_01_sfnt_off00007e63.binde8bf53a2801452d8bd5b932fd5cfc201be4ec23f6bd7d4b83fd2ebf154b521d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E63 | 10072 bytes |
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