MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, many of which point to a redirector service known to host malicious content. The document body, though heavily obfuscated, appears to contain the same redirector URL and a list of benign-looking PDF files hosted on Shopify, likely to create a false sense of legitimacy. The ML classifier strongly indicates maliciousness, and the presence of a malicious redirector URL is a high-confidence indicator of a phishing or scam attempt.
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=ejercicios+de+altura+mediana+mediatriz+y+bisectriz+pdf In PDF document text
- http://files.superiorwayoflife.com/uploads/1/3/0/9/130969179/lutawiluf.pdfIn PDF document text
- http://files.realmarketingclub.net/uploads/1/3/1/8/131856771/vaxekejeguzopeliki.pdfIn PDF document text
- http://files.churchhillproductions.com/uploads/1/3/0/7/130775304/8429107.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/1/0433/9489/1943/files/tapujanabibowumuwuro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4583/8248/files/zokidopufosadetita.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7832/7203/files/ordinary_annuity_sample_problems.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0056/9766/files/maxukofefedefutekotakek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0182/1859/files/angustia_definicion_en_psicologia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5382/5694/files/21577220690.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4991/8374/files/1200_bosquejos_biblicos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/niwaragevutaxesidep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xirapekewovefosisukepeja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9812/9059/files/jitoladijizegup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7571/4715/files/oil_change_receipt.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3876/8294/files/36166413478.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005159.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5159 | 5508 bytes |
SHA-256: f1e135e2e177a2a0d71908a922f5f88e9d38db164501011c85a206c0e1985152 |
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font_01_sfnt_off00006407.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6407 | 11576 bytes |
SHA-256: 7688893ba8d29e2b6406c90e592112d6d00935cabb789266d44a31c57913263a |
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font_02_sfnt_off000089b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x89B0 | 16068 bytes |
SHA-256: 48f515d49a265d3cec15dbd2d5f47ba1c49b14e3908a9c859c3ba8f821ef457d |
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font_03_sfnt_off00009e50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E50 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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