MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link that redirects to a known malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains the text 'Comprehension worksheets for grade 3 printable' and the malicious URL, suggesting a lure to trick users into clicking the link. The PDF also hosts a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic, likely for SEO manipulation or to distribute malicious content.
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/pify?keyword=comprehension+worksheets+for+grade+3+printable
- http://files.fabiogrillo.com/uploads/1/3/1/3/131384424/dajanemibubupefis.pdf
- https://cdn.shopify.com/s/files/1/0437/7706/5121/files/hiibboo_afaan_oromoo.pdf
- https://cdn.shopify.com/s/files/1/0429/7683/7785/files/77891812737.pdf
- https://cdn.shopify.com/s/files/1/0436/1011/2163/files/renifokikivexibat.pdf
- https://cdn.shopify.com/s/files/1/0430/0875/3827/files/sokileb.pdf
- https://cdn.shopify.com/s/files/1/0430/7176/6681/files/titopasaruzeg.pdf
- https://cdn.shopify.com/s/files/1/0436/1977/8720/files/amelie_piano_song.pdf
- https://cdn.shopify.com/s/files/1/0438/9234/2939/files/port_huron_craigslist.pdf
- https://cdn.shopify.com/s/files/1/0432/2105/7700/files/96960695325.pdf
- https://cdn.shopify.com/s/files/1/0440/7564/7128/files/dalafi.pdf
- https://cdn.shopify.com/s/files/1/0434/7052/0470/files/96525080249.pdf
- https://cdn.shopify.com/s/files/1/0430/4132/5207/files/dogab.pdf
- https://cdn.shopify.com/s/files/1/0431/6590/9160/files/building_construction_specification_uk.pdf
- https://cdn.shopify.com/s/files/1/0436/4835/2406/files/dagofivube.pdf
- https://cdn.shopify.com/s/files/1/0434/3123/1655/files/duchess_of_malfi_as_a_revenge_tragedy.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_off000089f3.bin8bcc9047d6b410722c53e3e8933e64dd64a7483977a922bffbe9fd11ebc4dfcc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x89F3 | 5820 bytes |
font_01_sfnt_off00009da7.bin145ec467373127279c3d0d2e5ebe55192ac1cbf94bb6202cb0208ba9af02bcc9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9DA7 | 10096 bytes |
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