MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a prominent link that, when clicked, redirects to a malicious URL disguised as a corporate email security policy template. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically identifies this behavior. The ML classifier also strongly indicates maliciousness. The document body, though heavily obfuscated, contains the same lure text and the malicious URL.
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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=corporate+email+security+policy+template In PDF document text
- http://files.southdakotaagriculturallaboratories.com/uploads/1/3/2/7/132710783/42c42ec.pdfIn PDF document text
- http://files.childrensfocusfoundation.org/uploads/1/3/2/6/132695492/1433376.pdfIn PDF document text
- http://files.goepic.ca/uploads/1/3/1/3/131382028/1edc5f8e4c19f2.pdfIn PDF document text
- http://files.aurum-et-argentum.net/uploads/1/3/1/6/131636946/nimilufezavugo_vafude_rexesogufogovi.pdfIn PDF document text
- http://files.yuwuvfx.com/uploads/1/3/1/4/131406440/5539358.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/1/0432/8049/8841/files/magolekek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7065/1542/files/98736287880.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2137/6410/files/tidukipajiponasaboguzer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5915/1009/files/32370297248.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7715/7542/files/67630818245.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3663/9395/files/prism_spectrometer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9569/4239/files/zamozoloruzeji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7797/5717/files/4633655903.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9173/8277/files/87357887483.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3985/7572/files/derofajufebaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6636/6869/files/javascript_force_download.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_off00006aa7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AA7 | 5084 bytes |
SHA-256: c5f6b2baf08708c7c6aaa973a2b326d6218694f5e190121774b7277546bdbaf4 |
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font_01_sfnt_off00007bd9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BD9 | 9768 bytes |
SHA-256: 7e7eaa60d6187db060e0eb6b3e0759aeb467c63d1b65010cd610fbbc0ac98f6d |
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