MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains a URL that appears to be part of a link farm designed to manipulate search engine results and direct users to malicious sites. The ML classifier also strongly indicated maliciousness.
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=anesthesia+machine+circuit+pdf
- http://vejuma.piecesearlylearning.com/uploads/1/3/1/6/131606407/nepesabadekopagep.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0438/0449/1936/files/binolemoxax.pdf
- https://cdn.shopify.com/s/files/1/0463/6816/1953/files/animals_funny_photos.pdf
- https://cdn.shopify.com/s/files/1/0435/4015/2479/files/introduction_to_functional_grammar_halliday.pdf
- https://cdn.shopify.com/s/files/1/0433/6913/6280/files/nrsv_catholic_bible_free_download.pdf
- https://cdn.shopify.com/s/files/1/0432/8344/7966/files/3d_animation_maker_draw_cartoon_apk.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/paxotaxazojulilinitulo.pdf
- https://cdn.shopify.com/s/files/1/0435/6230/3637/files/potholes_reservoir_fishing_report_2018.pdf
- https://cdn.shopify.com/s/files/1/0438/4971/1781/files/berezina_tesson.pdf
- https://cdn.shopify.com/s/files/1/0434/6534/3141/files/9631703629.pdf
- https://cdn.shopify.com/s/files/1/0437/8827/1773/files/conjunction_and_preposition_exercises.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_off00005fdd.bin88b1a1cec9cb45f3e15128651160126fe4867d5229a6c76c8a3aedf8bb4d3f13 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FDD | 5352 bytes |
font_01_sfnt_off000071dc.bincf657dac67a1e623628a0e84e37e48b51138bdc00eaf8cdc11f6bed70b3b4c89 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71DC | 10400 bytes |
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