MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains embedded links that redirect to a malicious URL, identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. The document body, though heavily obfuscated, contains text suggesting it is a PDF related to aviation regulations, likely a lure. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm designed to distribute malicious content. The ML classifier also strongly flagged this PDF as malicious.
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.cc/pify?keyword=anexo+10+oaci+pdf In PDF document text
- http://files.jojoscelebrationcakes.com/uploads/1/3/0/9/130969731/fatoda.pdfIn PDF document text
- http://gazol.thomasjonesschool.org/uploads/1/3/0/7/130739590/17acd1c.pdfIn PDF document text
- http://gizejes.stevemitchellweddingdj.com/uploads/1/3/0/8/130813821/titifa_zonewopi.pdfIn PDF document text
- http://files.thinktify.com/uploads/1/3/1/6/131606546/perawenopage.pdfIn PDF document text
- http://vonet.pennslandingdevelopment.com/uploads/1/3/1/3/131383314/lewefaxi.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/1/0428/4776/4636/files/bekanedijojobubesebe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/71340125447.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9160/7190/files/66716986855.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0451/1947/1781/files/business_analytics_by_dinesh_kumar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7417/4622/files/vavizabogexitofepopele.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5541/5445/files/natomolef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3203/4976/files/cat_touching_plasma_ball.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9805/3535/files/kilezaxupadi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/5795/0370/files/local_anesthesia_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7396/1110/files/38937343281.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3325/5323/files/kadogemiratefirewa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2885/6487/files/basic_english_test.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_off00004f51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4F51 | 4800 bytes |
SHA-256: ed88cc4b8443903f830b26930026191f5c8a2c6527a33311a45090d7d12ecf3a |
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font_01_sfnt_off00005fad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FAD | 9484 bytes |
SHA-256: 16d1512a3390ef186b88bbea3ae8c1be898ba54db78d5418f97d5f1d7c7b67b1 |
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font_02_sfnt_off00008035.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8035 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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