MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with a critical heuristic firing indicating it points to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text suggesting a lure related to 'safety symbols worksheet' and includes a URL pointing to a redirector. The presence of many external links, including those to Shopify, suggests an attempt to distribute malicious content or engage in SEO link farming.
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=safety+symbols+worksheet
- http://dubupoz.carawaydeafyouth.com/uploads/1/3/1/8/131871390/9216987.pdf
- http://vagusiwaj.roomsrevamped.com/uploads/1/3/1/3/131380582/4336028.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0438/5056/3734/files/13290992985.pdf
- https://cdn.shopify.com/s/files/1/0429/6635/2025/files/49501719738.pdf
- https://cdn.shopify.com/s/files/1/0437/5969/8077/files/97256912832.pdf
- https://cdn.shopify.com/s/files/1/0449/8666/3070/files/bringing_up_bebe_download.pdf
- https://cdn.shopify.com/s/files/1/0431/1603/6249/files/va_forms_4138.pdf
- https://cdn.shopify.com/s/files/1/0439/1020/1499/files/concept_of_entrepreneurship_skills.pdf
- https://cdn.shopify.com/s/files/1/0433/5114/6649/files/82711127508.pdf
- https://cdn.shopify.com/s/files/1/0441/2047/3752/files/26843308378.pdf
- https://cdn.shopify.com/s/files/1/0429/8627/4967/files/gimupikefixipu.pdf
- https://cdn.shopify.com/s/files/1/0429/2929/1427/files/16989705064.pdf
- https://cdn.shopify.com/s/files/1/0430/0144/6554/files/atomistique_et_liaison_chimique_l1.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_off00006863.binbbda2aea704936b12dc50ef1c53c265e39d356cdbf462ca55c0b1e60b2faf5ee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6863 | 5508 bytes |
font_01_sfnt_off00007b13.bin925173d811ebde6471791e31f39d83dc807195a084ed0b3416018e060d7405f7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B13 | 10192 bytes |
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