MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of embedded links, many of which point to a redirector service. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' indicates that one of the URLs leads to known malicious infrastructure. The 'PDF_SEO_LINK_FARM' heuristic further suggests that the PDF is part of a link farm designed to manipulate search engine results. No scripts were extracted, but the primary attack vector appears to be social engineering through deceptive links.
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=medical+imaging+technology+book+pdf In PDF document text
- http://files.canbuildimmigration.com/uploads/1/3/1/1/131163736/jasit_zafajig_konaburawuw_pulale.pdfIn PDF document text
- http://files.bethanyinbridgeton.com/uploads/1/3/1/6/131637178/6422978.pdfIn PDF document text
- http://files.richardcourt.org/uploads/1/3/0/8/130814531/kikesasojixemetow.pdfIn PDF document text
- http://files.silverliningdesigns.co/uploads/1/3/2/7/132740277/3707728.pdfIn PDF document text
- http://files.salvadorandrade.org/uploads/1/3/0/7/130739533/9663826.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/1/0435/1790/3008/files/72508646343.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2119/5669/files/69184353114.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5738/1530/files/jabimuvamewivavu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3713/0914/files/zegekate.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0240/4769/files/13502757144.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9309/8660/files/fikitagipunojun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7981/1750/files/80115059948.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8353/8331/files/nokudif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5086/8646/files/44506639573.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2252/3288/files/19362994689.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2514/5760/files/54317443286.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2932/3158/files/58374291617.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1358/7623/files/57225233889.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1887/8114/files/xovidanokuf.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_off000068d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68D8 | 5396 bytes |
SHA-256: 888832873bac5aa6751e81083d24d5f03cd8ec95db5cf3be40f7b30cb4f4ae1d |
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font_01_sfnt_off00007b14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B14 | 10000 bytes |
SHA-256: 08d8578d5b97b3d3fdfe1a9a25c4e3242e69d622f98d848049ec3ad64e9a21b0 |
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