MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a known malicious redirector, ttraff.cc, which is disguised as a book download. This heuristic, combined with the ML classifier flagging the PDF as malicious, strongly suggests a phishing or malware distribution attempt. The PDF also contains a link farm pointing to numerous other PDFs, likely for SEO manipulation to increase visibility of malicious content.
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.cc/pify?keyword=livros+de+brennan+manning+em+pdf
- http://kojaf.landinarizona.com/uploads/1/3/2/3/132303382/8464357f05fc.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/7587/0630/files/20511689415.pdf
- https://cdn.shopify.com/s/files/1/0440/8557/5832/files/tutorial_adobe_premiere_pro_cs6_bahasa_indonesia.pdf
- https://cdn.shopify.com/s/files/1/0433/1785/4373/files/vudonujiferelu.pdf
- https://cdn.shopify.com/s/files/1/0433/3528/6943/files/movie_box_for_macbook_pro.pdf
- https://cdn.shopify.com/s/files/1/0437/0500/8293/files/liduzerexo.pdf
- https://cdn.shopify.com/s/files/1/0429/2929/1427/files/24329500546.pdf
- https://cdn.shopify.com/s/files/1/0429/9977/5381/files/werasek.pdf
- https://cdn.shopify.com/s/files/1/0428/9291/8937/files/23978741880.pdf
- https://cdn.shopify.com/s/files/1/0430/8733/1481/files/tajonuxulobovutukobasa.pdf
- https://cdn.shopify.com/s/files/1/0432/3426/3199/files/adjectives_worksheet_4th_grade.pdf
- https://cdn.shopify.com/s/files/1/0431/7901/6360/files/94792236359.pdf
- https://cdn.shopify.com/s/files/1/0430/6799/8362/files/kilajelopedoxegowogewive.pdf
- https://cdn.shopify.com/s/files/1/0429/5157/3657/files/radio_shack_electronics_learning_lab_manual.pdf
- https://cdn.shopify.com/s/files/1/0438/9309/6600/files/napuwadomu.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_off00007049.binb308b326e4b73c06af4fe6f5703d91b68799d6ee51bb614e98065a6fc64e6930 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7049 | 5472 bytes |
font_01_sfnt_off000082d3.bin3bde7e596ed054e74b9a40e5df23b61977fdbf61cbdf0d08f76547974f8db9e9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82D3 | 10744 bytes |
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