MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to PDF files hosted on Shopify. One of these links, however, redirects to a known malicious domain, ttraff.cc. This suggests a link farm or SEO poisoning attack designed to lure users to malicious infrastructure. The ML classifier also strongly indicated maliciousness.
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/wix?keyword=histogram+worksheet+6th+grade
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0443/0161/5260/files/sky_movies_bollywood_2014.pdf
- https://cdn.shopify.com/s/files/1/0429/4197/2636/files/dujerubonirefuvimifo.pdf
- https://cdn.shopify.com/s/files/1/0432/5195/7923/files/mobagi.pdf
- https://cdn.shopify.com/s/files/1/0433/5131/0488/files/gatisukaraxesunazupu.pdf
- https://static.usrfiles.com/ugd/b8c837_232f1ba59f154013bfdfcf99f5e48480.pdf
- https://cdn.shopify.com/s/files/1/0437/0880/9384/files/92085082916.pdf
- https://cdn.shopify.com/s/files/1/0431/7764/0092/files/lupijofukakelawa.pdf
- https://cdn.shopify.com/s/files/1/0436/7125/7241/files/subject_verb_sentences_worksheets.pdf
- https://cdn.shopify.com/s/files/1/0463/4007/9777/files/bkash_new_apps.pdf
- https://cdn.shopify.com/s/files/1/0434/0767/1447/files/electrical_building_installation_design.pdf
- https://cdn.shopify.com/s/files/1/0430/4814/0949/files/25666432261.pdf
- https://cdn.shopify.com/s/files/1/0431/6980/8550/files/lerotuvabodewusegu.pdf
- https://cdn.shopify.com/s/files/1/0428/1031/0822/files/reometria_del_hule.pdf
- https://cdn.shopify.com/s/files/1/0439/4765/5323/files/planos_arquitectonicos_de_casas_de_dos_plantas.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_off000052a7.bin1ac921bf00cbc6bf06c23f1a8e283136a66567d821265015b4d18c61715aa16b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x52A7 | 5480 bytes |
font_01_sfnt_off0000652d.bind444f4b16db7479293d0176250c836ba291405a041b69bfe6a57c0ea52db90be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x652D | 10408 bytes |
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