MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF is flagged as malicious by a machine learning classifier and contains embedded links. One link points to a known malicious redirector, and another is part of a large link farm designed to distribute numerous PDFs. The document body, though heavily obfuscated, contains keywords related to manuals and the malicious URL, suggesting a lure to trick users into clicking the malicious links.
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.ru/pify?keyword=altivar+312+manual+portugues+pdf
- http://files.stclementofstamford.com/uploads/1/3/1/0/131070457/8028559.pdf
- http://nomis.soniabarneydesign.com/uploads/1/3/2/6/132681670/5362dcf2b890f12.pdf
- http://files.webaggedit.com/uploads/1/3/1/4/131452935/b3bf31.pdf
- https://cdn.shopify.com/s/files/1/0437/4305/1937/files/limowadamafuwakedolovovam.pdf
- https://cdn.shopify.com/s/files/1/0431/9143/5422/files/20759848919.pdf
- https://cdn.shopify.com/s/files/1/0429/7805/0201/files/mezijapipoloxigujorop.pdf
- https://cdn.shopify.com/s/files/1/0434/3991/5175/files/97666732110.pdf
- https://cdn.shopify.com/s/files/1/0435/2756/9576/files/28993450647.pdf
- https://cdn.shopify.com/s/files/1/0431/1810/0637/files/castellated_beam_pdf.pdf
- https://cdn.shopify.com/s/files/1/0436/1653/4685/files/xazeregagitapaj.pdf
- https://cdn.shopify.com/s/files/1/0434/0567/2597/files/attachment_recommendation_letter.pdf
- https://cdn.shopify.com/s/files/1/0431/5591/4918/files/bread_recipe_book_free_download.pdf
- https://cdn.shopify.com/s/files/1/0428/8797/0975/files/nixez.pdf
- https://cdn.shopify.com/s/files/1/0433/6268/0984/files/zujokusanorekodufik.pdf
- https://cdn.shopify.com/s/files/1/0432/7155/3189/files/74499622341.pdf
- https://cdn.shopify.com/s/files/1/0433/1238/2117/files/4964151516.pdf
- https://cdn.shopify.com/s/files/1/0431/5820/8672/files/6076802046.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_off00017124.bin0b5681233644b71aaebb8033c6f75ed8f791c3a1efd9d88b65f1260739da6bd8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17124 | 5756 bytes |
font_01_sfnt_off000184a4.binef8c736c5c6f1d2961538b7d761088b083c93f8bc59ff241dec4a1ff1be2af7f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x184A4 | 19164 bytes |
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