MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged as malicious by a machine learning classifier and contains multiple embedded URLs. One URL, 'https://ttraff.com/pify?keyword=flight+stability+and+automatic+control+solution+manual', is identified as a known malicious redirector. The document also exhibits characteristics of a PDF link farm, with numerous links pointing to external PDF files, suggesting a coordinated effort to distribute content or lure users to malicious sites. No scripts were extracted from this sample.
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=flight+stability+and+automatic+control+solution+manual
- http://files.carolchallis.com/uploads/1/3/0/9/130968984/madofa.pdf
- http://files.mathiasmarketing.com/uploads/1/3/2/7/132740405/4586040.pdf
- http://gazada.ictatcc.com/uploads/1/3/1/3/131379858/memulidefepukaj-guxer.pdf
- http://files.augustaraptors.org/uploads/1/3/0/7/130738836/3690961.pdf
- https://cdn.shopify.com/s/files/1/0434/3762/1404/files/lebusezobamafanasateden.pdf
- https://cdn.shopify.com/s/files/1/0428/9318/1081/files/fetuwubomugoku.pdf
- https://cdn.shopify.com/s/files/1/0450/0822/4414/files/getting_around_boston.pdf
- https://cdn.shopify.com/s/files/1/0439/2235/8427/files/2500628829.pdf
- https://cdn.shopify.com/s/files/1/0431/6784/2465/files/french_revolution_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0427/7298/8071/files/nobididutobaxerosose.pdf
- https://cdn.shopify.com/s/files/1/0433/4603/4846/files/download_let_it_go_frozen_mp3.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000048d8.bin90c37d2a593a517625cb577dbb9e645685a624bbe4cf1f90c0cba01d88c89e70 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x48D8 | 5548 bytes |
font_01_sfnt_off00005b81.bin3451e0bd28ab104f2e024ae8a88094c1d5a42f3bedcffbea2c41ba9798c899d7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B81 | 9916 bytes |
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