MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains embedded URLs that point to a known malicious redirector, ttraff.com, which is likely used to distribute further malware. The document body, though heavily obfuscated, contains text that suggests it is a lure related to a 'Netis dl4480v1 manual'. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm SEO tactic to improve search engine ranking for malicious 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.com/wb?keyword=netis%20dl4480v1%20manual
- http://levem.darakutawp.org/uploads/1/3/0/7/130775803/2658490.pdf
- http://files.mrbevan.com/uploads/1/3/0/8/130874361/3542070.pdf
- http://puwepude.freesvgfiles.net/uploads/1/3/1/6/131606349/4e371e6a9e6d.pdf
- https://cdn.shopify.com/s/files/1/0434/0829/4039/files/ferepezo.pdf
- https://cdn.shopify.com/s/files/1/0429/5557/1356/files/miresawawe.pdf
- https://cdn.shopify.com/s/files/1/0432/7679/6057/files/argumentative_essay_topics_2020.pdf
- https://cdn.shopify.com/s/files/1/0434/1946/7943/files/73094937716.pdf
- https://cdn.shopify.com/s/files/1/0431/4421/6727/files/8867554339.pdf
- https://cdn.shopify.com/s/files/1/0433/5756/9176/files/97620205751.pdf
- https://cdn.shopify.com/s/files/1/0431/0204/4316/files/42576506762.pdf
- https://cdn.shopify.com/s/files/1/0428/0041/4883/files/right_to_information_amendment_act_2020.pdf
- https://cdn.shopify.com/s/files/1/0450/7625/0776/files/fakalujigipubeposabu.pdf
- https://cdn.shopify.com/s/files/1/0432/2410/5115/files/95606073050.pdf
- https://cdn.shopify.com/s/files/1/0427/4126/8647/files/misevixunupojimarapiviben.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_off00005fe6.bin39ae1996e3d4cbc37938714fdd06a225db40d2fdd6a6a40913ceaf7980c5e31d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FE6 | 5380 bytes |
font_01_sfnt_off00007231.binee4473369caa24706c95597c20bbf9d2a8f9dd585861748c19bebc70236fe0e7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7231 | 15120 bytes |
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