MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many pointing to benign Shopify URLs, but one critical link directs to a known malicious redirector at 'https://ttraff.com/pify?keyword=captivate+book+summary+pdf'. The document body, though heavily obfuscated, contains text related to 'captivate book summary pdf' and the authoring application, suggesting a lure to disguise malicious intent. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is used for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=captivate+book+summary+pdf
- http://files.lifestylenutritionvt.com/uploads/1/3/2/7/132740584/2736436.pdf
- http://files.sylvainetlesfilles.com/uploads/1/3/1/1/131164383/kamiveniwa.pdf
- http://files.oldpostfarm.com/uploads/1/3/2/7/132712326/8ffd88.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/4610/9341/files/pasokubejasatupopuv.pdf
- https://cdn.shopify.com/s/files/1/0427/4244/8295/files/ramobube.pdf
- https://cdn.shopify.com/s/files/1/0437/7047/8746/files/97790610472.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/23342697578.pdf
- https://cdn.shopify.com/s/files/1/0433/6150/1336/files/zupagazemetut.pdf
- https://cdn.shopify.com/s/files/1/0437/8315/9957/files/how_to_make_custom_emojis_in_discord.pdf
- https://cdn.shopify.com/s/files/1/0431/3330/4986/files/nibexudituretopa.pdf
- https://cdn.shopify.com/s/files/1/0430/0609/9605/files/regal_commerce_center_rpx.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/61051106257.pdf
- https://cdn.shopify.com/s/files/1/0429/5658/7174/files/frga_p_annat_fordon.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xoxolesusoziviro.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000066c7.bin7d8bf18dbcad1d821bdd599fa1743d4be6abe3c275472819b1115b7c1517f889 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66C7 | 5428 bytes |
font_01_sfnt_off00007931.bin42cac8d059719588c20b0d1a7bddda356ed1394a60685c1143217fb559ec560e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7931 | 10148 bytes |
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