MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a high number of embedded links, many of which point to external resources, a technique often used to obscure malicious intent or to create a link farm for SEO manipulation. One critical heuristic identified a link to known malicious redirector infrastructure (ttraff.com), suggesting a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains keywords related to downloading PDFs, reinforcing the lure.
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.com/wb?keyword=animal%20physiology%20hill%20pdf%20download In PDF document text
- http://files.lhsmediacenter.com/uploads/1/3/1/1/131164440/aac60f69.pdfIn PDF document text
- http://files.legallyours.org/uploads/1/3/0/7/130775834/siwozep.pdfIn PDF document text
- http://files.dynamicwellnesstherapy.com/uploads/1/3/1/8/131871414/6999769.pdfIn PDF document text
- http://files.impulsestudioboutique.com/uploads/1/3/1/3/131380687/palalasakoji.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7663/3247/files/pigosabi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9628/6111/files/nuwulipekeki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/takuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/98223768302.pdfIn PDF document text
- https://vijugogazoxo.files.wordpress.com/2020/07/vomakovedutopudirirawasa.pdfIn PDF document text
- https://xakemidutugu.files.wordpress.com/2020/07/81437071188.pdfIn PDF document text
- https://vexopebugu.files.wordpress.com/2020/06/bagajowogun.pdfIn PDF document text
- https://xosatige.files.wordpress.com/2020/07/8213373091.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7219/2669/files/derimoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1482/3844/files/jebabin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7086/6087/files/xisizedabapejik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2929/1427/files/9538458696.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9073/9361/files/37061382529.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wesuwalaloluxafim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0718/0954/files/zesuvelefebepopa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9099/2549/files/69850641854.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005a22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A22 | 5132 bytes |
SHA-256: c0a200b38f03c9ca74e0304be5c61fd8259f04e2247bd80ad27e5a6a438e0f75 |
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font_01_sfnt_off00006b6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B6A | 9060 bytes |
SHA-256: 62a2c584cad92e205483e1dd6cb7352212a17eb5f5d2809de5b3a5c13e1ae025 |
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