MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to a redirector infrastructure, indicating a link farm or SEO poisoning attempt. The primary malicious URL identified is https://ttraff.com/pify?keyword=biozone+ap+environmental+science+pdf, which is flagged as malicious. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains embedded URLs consistent with this malicious activity.
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=biozone+ap+environmental+science+pdf
- http://files.mgdesigns1.us/uploads/1/3/0/7/130738912/1739539.pdf
- http://files.ubaentertainment.com/uploads/1/3/1/3/131398129/toroza_zoxawuxofosanur.pdf
- http://files.fil-amchamberofcommerceofsacramento.com/uploads/1/3/1/3/131379049/misexarosololopaxaza.pdf
- http://files.lieberconsulting.com/uploads/1/3/0/9/130969306/bitafaxa.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/9969/2958/files/formal_business_letter_format.pdf
- https://cdn.shopify.com/s/files/1/0434/6612/9574/files/public_sntp_servers.pdf
- https://cdn.shopify.com/s/files/1/0432/4114/4483/files/kaxotukuwibifonarorep.pdf
- https://cdn.shopify.com/s/files/1/0431/6938/2557/files/8039627827.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kepikopu.pdf
- https://cdn.shopify.com/s/files/1/0437/3997/1736/files/40278617651.pdf
- https://cdn.shopify.com/s/files/1/0431/6564/7002/files/futomavaguwe.pdf
- https://cdn.shopify.com/s/files/1/0437/1637/8773/files/electronic_signature_software_for.pdf
- https://cdn.shopify.com/s/files/1/0437/8833/7303/files/wudubedu.pdf
- https://cdn.shopify.com/s/files/1/0431/9857/8848/files/88911579428.pdf
- https://cdn.shopify.com/s/files/1/0435/9100/8418/files/loan_agreement_and_promissory_note.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_off00009d6a.bin97b18bed85c381135263c17eba22fff4dd7c1e5a2d64a91bf8605282ca298c83 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D6A | 5460 bytes |
font_01_sfnt_off0000affc.bin765acd1bc2b30f58a0ecc4a89e121b59b1a3893832504ada5e7b565b87b2e950 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFFC | 10620 bytes |
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