MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure, specifically `https://ttraff.ru/pify?keyword=view+background+color+android+xml`. It also exhibits characteristics of a PDF link farm, with numerous external links, including one to `https://cdn.shopify.com/s/files/1/0434/8903/4402/files/convert_file_into_word_document_online_free.pdf`. The ML classifier strongly flagged this PDF as malicious, indicating a high probability of malicious intent.
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=view+background+color+android+xml
- http://files.aelc.org/uploads/1/3/0/7/130775672/lagujumejunesof.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/8903/4402/files/convert_file_into_word_document_online_free.pdf
- https://cdn.shopify.com/s/files/1/0451/9398/6199/files/jamabidame.pdf
- https://cdn.shopify.com/s/files/1/0432/1335/7211/files/jafulerira.pdf
- https://cdn.shopify.com/s/files/1/0438/3503/1712/files/parts_of_a_dictionary_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0431/9143/5422/files/duguduzufubodesukidibupo.pdf
- https://cdn.shopify.com/s/files/1/0430/7235/6509/files/315_pares_biomagneticos.pdf
- https://cdn.shopify.com/s/files/1/0453/3213/6091/files/biology_notes_for_neet_2020.pdf
- https://cdn.shopify.com/s/files/1/0430/8254/7361/files/kitobizifedaselixexoj.pdf
- https://cdn.shopify.com/s/files/1/0440/4445/2005/files/23694681111.pdf
- https://cdn.shopify.com/s/files/1/0430/8258/0130/files/68034066310.pdf
- https://cdn.shopify.com/s/files/1/0438/5089/1424/files/kabawimukem.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_off0000612d.bin0f93f19e9729a865954162482313d0490c1416f5e8eda1e57c964fcad42ea268 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x612D | 5408 bytes |
font_01_sfnt_off00007393.bind335174e9c1374b7ab2ba24c05cf99e4247684a8a64862b19b2d442da1877c4b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7393 | 10516 bytes |
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