MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, masquerading as academic references, which is indicative of a link farm or SEO spamming technique. The primary link identified leads to a known malicious redirector, suggesting a phishing or malware distribution attempt. The ML classifier also strongly flagged this PDF as malicious.
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=references+apa+format+examples
- http://files.spineacademypt.com/uploads/1/3/0/7/130738836/vesewuvimi.pdf
- http://vosugej.antsrus.com/uploads/1/3/2/6/132681482/3351142.pdf
- http://files.morjimcocopalms.com/uploads/1/3/1/3/131384789/2a0aea98a146c0c.pdf
- http://wakegok.solorzanollanos.com/uploads/1/3/0/7/130738568/5659321.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/2656/2722/files/39984638728.pdf
- https://cdn.shopify.com/s/files/1/0431/6938/2557/files/wasovuvuparom.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/7218161301.pdf
- https://cdn.shopify.com/s/files/1/0433/5216/2462/files/xigetesowi.pdf
- https://cdn.shopify.com/s/files/1/0434/1458/5509/files/bitsat_mock_test.pdf
- https://cdn.shopify.com/s/files/1/0433/1238/2117/files/73295159332.pdf
- https://cdn.shopify.com/s/files/1/0427/8406/3654/files/jovidota.pdf
- https://cdn.shopify.com/s/files/1/0430/6645/8265/files/silkcraft_freezer_paper_sheets_a4.pdf
- https://cdn.shopify.com/s/files/1/0450/0642/2184/files/manevixino.pdf
- https://cdn.shopify.com/s/files/1/0432/7122/5494/files/gujozafeme.pdf
- https://cdn.shopify.com/s/files/1/0432/2007/4657/files/xinefaveleduzojaduj.pdf
- https://cdn.shopify.com/s/files/1/0433/0281/3849/files/5897771802.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_off00007018.bin275c7748da12b7428027faf9c287cdba5eb514be95a37a1a9f90957e097039dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7018 | 5236 bytes |
font_01_sfnt_off000081d8.bin66a8419978ab5173da75e4cb5ae41011b3b64d41ce0f440bc23ec5bb1871b6a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x81D8 | 10120 bytes |
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