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 external sites, classifying it as a link farm. One of the primary links, 'https://ttraff.cc/wb?keyword=adjective%20and%20adverb%20printable%20worksheets', is identified as a malicious redirector. The document's structure and content suggest an attempt to lure users to potentially malicious or unwanted websites under the guise of providing educational resources.
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.cc/wb?keyword=adjective%20and%20adverb%20printable%20worksheets
- http://wapew.direwolfomega.net/uploads/1/3/1/4/131409090/5781b.pdf
- http://files.desmoinesmarina.com/uploads/1/3/1/3/131381553/630c62.pdf
- http://files.rooseveltelementarypto.org/uploads/1/3/1/8/131857914/569dd39a6f.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0436/9963/4328/files/49440945453.pdf
- https://cdn.shopify.com/s/files/1/0430/6835/8807/files/9779907641.pdf
- https://cdn.shopify.com/s/files/1/0431/4667/4336/files/23342005412.pdf
- https://cdn.shopify.com/s/files/1/0429/2381/9164/files/wapub.pdf
- https://cdn.shopify.com/s/files/1/0437/0569/6407/files/theory_of_harmony_arnold_schoenberg.pdf
- https://cdn.shopify.com/s/files/1/0430/9005/1221/files/ceremony_leslie_marmon_silko_full.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gomejalubewetilukifij.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_off00006168.bine69604f78f6d6cae57005dca6d691098e6698c3538ab621436c4e0534dbaef2c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6168 | 5580 bytes |
font_01_sfnt_off00007465.binc576240b34d1f6e857951752247e939e22c79467d74b8791facf9ec73f9d2288 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7465 | 10540 bytes |
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