MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one identified as a malicious redirector. The ML classifier strongly indicated maliciousness, and the presence of a link farm suggests an attempt to manipulate search engine results or redirect users to potentially harmful content. No scripts were extracted, but the document body and heuristics point to a link-based attack.
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.me/wix?keyword=lcm+and+gcf+worksheets+kuta
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b4f0c6_ef46d8b0c477449fb022af77be583b79.pdf
- https://static.usrfiles.com/ugd/ee4a13_6d2b719d5e0040a1b79e670324abd0a0.pdf
- https://static.usrfiles.com/ugd/a86d68_403eb329bb594c24847b6653167d991b.pdf
- https://static.usrfiles.com/ugd/b6aaa0_6f29d0ec9e76448d9e19e242a71f3483.pdf
- https://static.usrfiles.com/ugd/9ec29b_024aabf035174d408a79438fbe90f4c2.pdf
- https://cdn.shopify.com/s/files/1/0431/9599/0175/files/xezujepudu.pdf
- https://cdn.shopify.com/s/files/1/0432/7833/6165/files/60556537656.pdf
- https://cdn.shopify.com/s/files/1/0431/4205/4048/files/79598706337.pdf
- https://cdn.shopify.com/s/files/1/0428/3963/8179/files/chapter_3_bipolar_junction_transistor.pdf
- https://cdn.shopify.com/s/files/1/0434/5895/3381/files/aldehyde_ketone_and_carboxylic_acid_target.pdf
- https://cdn.shopify.com/s/files/1/0431/3920/3229/files/4083547783.pdf
- https://cdn.shopify.com/s/files/1/0434/7451/8180/files/53339846909.pdf
- https://cdn.shopify.com/s/files/1/0440/2675/7270/files/80674584123.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_off00004ede.bin3b44e34140dec288a958b3fca3d6490b17b18b2a7dfb36b640f3215d1eabba3f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4EDE | 5500 bytes |
font_01_sfnt_off00006189.bin56efdc61f9d466524de4d0e24a1231733cdba2d9414df0b539d3e987d3aec307 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6189 | 9660 bytes |
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