MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector URL. The document body, though heavily obfuscated, contains text related to 'commutative property addition worksheets 3rd grade' and the malicious URL, suggesting a lure. The presence of many Shopify-hosted PDF links indicates a potential link farm or SEO manipulation tactic. No scripts were extracted, but the embedded URLs are the primary indicators of malicious intent.
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.ru/pify?keyword=commutative+property+addition+worksheets+3rd+grade
- http://files.tampa-works.com/uploads/1/3/0/7/130738919/nopuza.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/3432/0794/files/97698159419.pdf
- https://cdn.shopify.com/s/files/1/0432/6182/1083/files/86940388524.pdf
- https://cdn.shopify.com/s/files/1/0427/7128/4135/files/46143793457.pdf
- https://cdn.shopify.com/s/files/1/0431/7652/5988/files/accounting_theory.pdf
- https://cdn.shopify.com/s/files/1/0431/9769/4109/files/40245194007.pdf
- https://cdn.shopify.com/s/files/1/0430/7678/0192/files/zaxezobodemuwim.pdf
- https://cdn.shopify.com/s/files/1/0434/0429/6348/files/jurekolukopewejuxu.pdf
- https://cdn.shopify.com/s/files/1/0434/5289/1297/files/3571224697.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/2857609843.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
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005406.bin51d6b0ec2d0cefbec15c6cbcaab01394c18311c62c3a4eb1e2fa74f211494039 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5406 | 5728 bytes |
font_01_sfnt_off0000677f.bin57c7a7e19b734cdff207a042f6f03df77eb1aecc29b5b1ce627d2c8dbb4b0f9f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x677F | 9788 bytes |
font_02_sfnt_off00008940.binedc33fe94617b35fa5734827a91efdc9665031ac3a5a8b8018a6396f4204b3d2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8940 | 16116 bytes |
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