MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to a redirector service known to host malicious content. The document body, though heavily obfuscated, contains text related to 'cover letter templates' and includes the primary malicious URL, suggesting a phishing or scam attempt. The ML classifier strongly indicated maliciousness, and the PDF structure itself is flagged for linking to known malicious redirectors.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
-
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.
-
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.
-
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.
-
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=effective+cover+letter+templates
- http://files.beefedupbarbecue.com.au/uploads/1/3/1/8/131857402/sebiku.pdf
- http://files.cypish.org/uploads/1/3/0/8/130874222/buvine.pdf
- http://files.islandhillfarm.ca/uploads/1/3/1/0/131070367/5972948.pdf
- http://files.pendurthisurgicalassociates.com/uploads/1/3/1/6/131637300/rizobozewezufon.pdf
- http://bezurefaw.pelicanlearningsolutions.com/uploads/1/3/1/4/131482975/kiwonifakuxam.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/6132/1634/files/fufazelosefunot.pdf
- https://cdn.shopify.com/s/files/1/0428/0185/6679/files/vixob.pdf
- https://cdn.shopify.com/s/files/1/0434/6413/0725/files/84800722011.pdf
- https://cdn.shopify.com/s/files/1/0427/4978/8327/files/scrambled_sentences_exercises_for_beginners.pdf
- https://cdn.shopify.com/s/files/1/0433/4492/0734/files/kopasikisatuwefawozumaf.pdf
- https://cdn.shopify.com/s/files/1/0428/6690/1148/files/88066356787.pdf
- https://cdn.shopify.com/s/files/1/0431/3936/7061/files/utilitarianism_theory.pdf
- https://cdn.shopify.com/s/files/1/0429/6779/3820/files/xuzewapapirukazage.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mowojemabedeju.pdf
- https://cdn.shopify.com/s/files/1/0427/9438/5575/files/que_es_una_solucion_isotonica.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_off000084ec.bin989b61d8bea6a081fddc14e4e395a96042765f0d580b54bf1a0c4c65fc1abdf7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84EC | 5176 bytes |
font_01_sfnt_off00009676.bin5753df9ac94c9762a0998aedb4787908ea90ac915cc29e7f4a2be3938583e779 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9676 | 10648 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.