MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, a technique often used for SEO link farms or to redirect users to malicious sites. One critical heuristic firing indicates a direct link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=arduino+328p+datasheet+pdf'. The document body, though heavily obfuscated, also contains this URL and other Shopify links, suggesting a lure to download further content or navigate to malicious infrastructure. The presence of multiple PDF links and a redirector points to a phishing or content-luring attack pattern.
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.ru/pify?keyword=arduino+328p+datasheet+pdf In PDF document text
- http://files.ntoumei.com/uploads/1/3/1/6/131636845/2112974.pdfIn PDF document text
- http://files.venicelcp.org/uploads/1/3/2/8/132815004/zedosoreni.pdfIn PDF document text
- http://files.mimimanners.net/uploads/1/3/1/1/131163516/nebuzoju-zuwunolule-labez.pdfIn PDF document text
- http://files.kodawarisake-edu.com/uploads/1/3/1/1/131164425/257773.pdfIn PDF document text
- http://files.pivotal-step.com/uploads/1/3/0/7/130776504/busobugirasikax-wavevaxuvapuge-lulazo-zakunesujamam.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/1/0430/3791/7345/files/42285831112.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/581871399.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9702/2871/files/proceso_de_enseanza_y_aprendizaje_concepto.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9289/3093/files/14319621257.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3942/4665/files/62155250831.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/9595/5358/files/30426295646.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6710/4664/files/13800789685.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1353/0019/files/babajaleze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8770/8825/files/25053391594.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0962/2691/files/14807362619.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1079/1323/files/acca_f1_lecture_notes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3998/8648/files/continuum_mechanics_for_engineers_solution_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9292/6883/files/mubix.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_off00005ec4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EC4 | 5456 bytes |
SHA-256: 1545261ddd2f17be73b31e7a783cc54ad6032c4bc2a2085e1b3b8c506be81e42 |
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font_01_sfnt_off00007144.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7144 | 9920 bytes |
SHA-256: 23c55559eb84137615eb0c0dd71b188c8f26ffadcdc42673d876f4cc3f4002f3 |
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font_02_sfnt_off00009353.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9353 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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