MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, including one to a known malicious redirector at 'https://ttraff.cc/pify?keyword=formulas+in+excel+2020+with+examples+pdf'. The document body, though heavily obfuscated, contains this URL and other links to external PDFs hosted on Shopify, suggesting a link farm or SEO poisoning tactic. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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/pify?keyword=formulas+in+excel+2020+with+examples+pdf In PDF document text
- http://files.socta.info/uploads/1/3/1/4/131437295/kosewijowa-nujurunananerod-zunoza-fafuwufe.pdfIn PDF document text
- http://files.capitalsportsmed.com/uploads/1/3/2/7/132711999/7637623.pdfIn PDF document text
- http://files.smporterauthor.co.uk/uploads/1/3/0/7/130775795/wezujewo_jopalejetonig_talesevasi_sunodojapakine.pdfIn PDF document text
- http://files.ggspecialized.com/uploads/1/3/0/7/130739169/12a0e678.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0430/5793/8581/files/fisotabuwajetekapax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7928/5401/files/madig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4272/6310/files/vukizelos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2022/1607/files/wixoketudaguzo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7833/6165/files/5909347251.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9531/6896/files/ahuja_amplifier_circuit_diagram_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9714/4990/files/92048490993.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0944/9884/files/dazorilabefu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2861/9168/files/soradaregunor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5018/0514/files/30639709661.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6847/9901/files/54291720908.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0052/9049/files/gaxefomufokat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8373/3915/files/sebelefiwelazusuf.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006a63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A63 | 5664 bytes |
SHA-256: 30eb0888ae44e89f272818ff7a2fda76bd7c6f980868f13b4083dcc31496eabd |
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font_01_sfnt_off00007d90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D90 | 10784 bytes |
SHA-256: a0a2ffd409dc285327a83aca5b4e49d83eb41ac171e4e19788255f582b0ad127 |
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font_02_sfnt_off0000a260.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA260 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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