MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious redirection and link farming, with a critical finding of a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that matches the redirector found in the heuristics. This suggests the primary purpose is to direct users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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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=ayat+ruqyah+ustaz+sharhan In PDF document text
- http://files.pottershousespringvalleyca.com/uploads/1/3/0/7/130775953/ee20b3bb23.pdfIn PDF document text
- http://lanadijig.kira-marie-mccullough.com/uploads/1/3/0/7/130776485/vidopo_gesapula_jamadufajidi.pdfIn PDF document text
- http://files.viktorcage.shop/uploads/1/3/1/4/131452961/7483206.pdfIn PDF document text
- http://files.sampsongigharbortherapy.com/uploads/1/3/1/6/131637257/9f3a166e32297aa.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/1/0428/3600/0931/files/el_problema_del_alcoholismo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5593/8725/files/kulukokezijalaze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4607/4525/files/new_holland_service_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5280/1943/files/befunifetipipodimokiwiven.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0311/7719/files/el_canto_triunfal_lldm.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7896/7703/files/62945320885.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0032/3478/files/lincoln_weld_pak_3200hd.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7812/3680/files/82481134182.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7917/2257/files/takudetegibirisora.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/4429/6088/files/75041330390.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0124/2022/files/90901040999.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7640/9751/files/wudixewunirubun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1756/0473/files/watermark_mac_os.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8998/4678/files/bangsamoro_basic_law_advantages_and_disadvantages.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_off0000be4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE4E | 5008 bytes |
SHA-256: 34e05915428e9b32eb296d98a01a8a0fcd4a68d93db775b8e660b9a914133941 |
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font_01_sfnt_off0000cf63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF63 | 11104 bytes |
SHA-256: 2a96f289f9a39060db99d1284cd5de1a2067217a9a9ea468b7cae098e0b1f940 |
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