MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/wb?keyword=renal%20failure%20stages%20pdf', suggesting a phishing or scam attempt. The presence of multiple links to external PDFs, some hosted on Shopify, indicates a link farm strategy to potentially distribute further malicious content or improve SEO for malicious sites.
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=renal%20failure%20stages%20pdf
- http://gowepip.jeanneschinto.com/uploads/1/3/2/7/132740764/fe3e14b8d5b.pdf
- http://files.mumfullofdreams.com/uploads/1/3/2/6/132695714/bonisamuteso.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/6193/6282/files/33045809551.pdf
- https://cdn.shopify.com/s/files/1/0429/2925/8649/files/advantages_and_disadvantages_of_internet_communication.pdf
- https://cdn.shopify.com/s/files/1/0432/0536/1821/files/bosofewemif.pdf
- https://cdn.shopify.com/s/files/1/0438/4541/9173/files/60491496345.pdf
- https://cdn.shopify.com/s/files/1/0428/8679/1334/files/10426370474.pdf
- https://cdn.shopify.com/s/files/1/0434/3431/1845/files/53446463789.pdf
- https://cdn.shopify.com/s/files/1/0432/0411/6637/files/difference_between_cdf_and_pmf.pdf
- https://cdn.shopify.com/s/files/1/0434/6196/8025/files/lefoxidokozukotikapumel.pdf
- https://cdn.shopify.com/s/files/1/0428/8957/6601/files/jamba_juice_job_application.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_off00005d64.binf3ffd6a5246a6d0d0c6a2b89c2f8f5c28514adb61decccc136b45fefd4225caa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D64 | 5216 bytes |
font_01_sfnt_off00006f31.binb01553f1380ac477c46b95859a927b8b9f05aa8cf69f65cc7f2a9400ef298e8e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F31 | 10104 bytes |
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