MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically pointing to a redirector associated with malicious activity. The document body, though heavily obfuscated, appears to reference a book title, suggesting a lure to disguise the malicious link. The ML classifier also strongly indicated maliciousness.
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.com/pify?keyword=rosen%2527s+emergency+medicine+10th+edition+pdf In PDF document text
- http://files.wernerkaffl.com/uploads/1/3/1/0/131070230/kisutopeb_panobexazed.pdfIn PDF document text
- http://files.sapnajawidpiracha.com/uploads/1/3/1/4/131407080/pudizewiranabel_tazejubigelune_sasugubovafo.pdfIn PDF document text
- http://files.ellensorganicgarden.com/uploads/1/3/0/7/130740213/xefezupuzoxo-lobefufiwibali-zatofow-mudofeguzix.pdfIn PDF document text
- http://files.elizabethtownchristianacademy.org/uploads/1/3/1/3/131384359/4ff6bdbdecc3b.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/1/0429/0360/1308/files/tolenobosarazisiguneso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4617/4877/files/silazovujepijativoxu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6953/7432/files/33663373018.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4550/2626/files/9895726268.pdfIn PDF document text
- https://gozadadud.files.wordpress.com/2020/07/80496996048.pdfIn PDF document text
- https://lunivaja.files.wordpress.com/2020/07/fefagatodininibomisegowez.pdfIn PDF document text
- https://dulaxagaro.files.wordpress.com/2020/07/kapaz.pdfIn PDF document text
- https://vudofuj.files.wordpress.com/2020/07/tijunituzekozedagib.pdfIn PDF document text
- https://bexanoru.files.wordpress.com/2020/06/4292376700.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8089/0008/files/57036447464.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0656/6306/files/wefakalexume.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3536/1442/files/piwitodefuxabapar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7994/2812/files/29022607638.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wozofedotomutigetipire.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2017/9864/files/lidarodutukox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4773/9811/files/99958465920.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_off00007146.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7146 | 5452 bytes |
SHA-256: 47e097116e8cba100583632c8011e3a291a5a3ee75b9eea48b3a2b9d85d0b912 |
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font_01_sfnt_off000083bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83BC | 10352 bytes |
SHA-256: d71899fe9a8984495cec3ed7fa010c2c3a98fa9e0db7cf7b42645d76ac62dfcf |
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