MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm and a redirector to a malicious URL, disguised as a utility for combining PDF files. The ML classifier strongly indicated maliciousness, and the embedded URLs suggest a phishing or scam attempt. Although no scripts were extracted, the PDF structure and linked content indicate a malicious intent to redirect users to potentially harmful sites.
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=how+to+combine+pdf+files+and+rearrange+pages
- http://files.hansingelangoe.com/uploads/1/3/1/6/131606758/9176443.pdf
- http://files.food.madebytricia.com/uploads/1/3/1/4/131483584/detifebinoreluvufafu.pdf
- http://files.jillrapperport.com/uploads/1/3/1/3/131381288/0fb0c.pdf
- http://wimefulek.sofafoundation.org/uploads/1/3/2/3/132303382/9fcd26da2343.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/2255/7095/files/jebojezigofibufuzew.pdf
- https://cdn.shopify.com/s/files/1/0432/8954/2809/files/audi_a4_manual.pdf
- https://cdn.shopify.com/s/files/1/0430/4407/7722/files/42276513855.pdf
- https://cdn.shopify.com/s/files/1/0434/5217/0392/files/pubuxazipowom.pdf
- https://cdn.shopify.com/s/files/1/0437/7729/4498/files/morubofifimepejab.pdf
- https://cdn.shopify.com/s/files/1/0432/3888/3495/files/25101852795.pdf
- https://cdn.shopify.com/s/files/1/0431/5276/9192/files/72022212645.pdf
- https://cdn.shopify.com/s/files/1/0430/2936/4889/files/admirvel_mundo_novo_minhateca.pdf
- https://cdn.shopify.com/s/files/1/0428/2613/7756/files/xasoja.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vaxopegi.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fuwemosuwizukuxitakalav.pdf
- https://cdn.shopify.com/s/files/1/0429/9954/6010/files/seren.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_off00005f13.bin307b22f3b5d44255406b3bb3580b2076de97c1ba4b410a595f4d0172117b392b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F13 | 5668 bytes |
font_01_sfnt_off00007251.bin1f02590c1ea467b36e3965dd1b228561b247268d6ee52fb8e3c0ad96b2a58869 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7251 | 10668 bytes |
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