MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains embedded links, one of which points to a known malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure for a 'certificate of participation template'. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm or SEO manipulation tactic to distribute malicious content. 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.com/pify?keyword=certificate+of+participation+template+editable+free
- http://files.warriors-hope.org/uploads/1/3/1/0/131071037/toxutivuzam-likudew-zelalabatu-lujesapoz.pdf
- http://rupodelew.shadowcreekchoir.com/uploads/1/3/0/8/130813528/kedam.pdf
- http://vuzij.melissaraehairstylist.com/uploads/1/3/2/6/132695615/5455044.pdf
- http://files.madisontnt.com/uploads/1/3/1/3/131383772/gupakaguzise.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0436/6467/0873/files/sanyo_tv_remote_codes.pdf
- https://cdn.shopify.com/s/files/1/0430/1619/2153/files/zotixum.pdf
- https://cdn.shopify.com/s/files/1/0435/4477/2759/files/8348243199.pdf
- https://cdn.shopify.com/s/files/1/0432/2633/3351/files/lukawedini.pdf
- https://cdn.shopify.com/s/files/1/0428/8305/5782/files/rawupuborafonirutas.pdf
- https://cdn.shopify.com/s/files/1/0433/8571/6901/files/blood_lipid_profile.pdf
- https://cdn.shopify.com/s/files/1/0433/8227/6250/files/rubomopaxasibosaru.pdf
- https://cdn.shopify.com/s/files/1/0451/0456/2328/files/anglishtja_e_re_pa_mundim.pdf
- https://cdn.shopify.com/s/files/1/0433/3142/0314/files/kawiwavipipowejur.pdf
- https://cdn.shopify.com/s/files/1/0433/2807/7992/files/pawujura.pdf
- https://cdn.shopify.com/s/files/1/0429/9587/5989/files/kojugasi.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_off00005f6d.bin3286cdcb2bea8d1b578daa4f658f821595ccd80dd92c92c833789fa3d3c132c9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F6D | 5168 bytes |
font_01_sfnt_off000070dc.binf818c1de2df238125c71b3bc38b6db9d55bb25e4f8bb18579743d15cb547a1a0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70DC | 9676 bytes |
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