MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links, one of which, 'https://ttraff.cc/pify?keyword=fleischner+nodules+guidelines+2017', is flagged as a malicious redirector. The document body, though heavily obfuscated, appears to contain this URL and other links to PDF files hosted on Shopify, suggesting a link farm or redirection tactic. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to redirect users to harmful content.
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.cc/pify?keyword=fleischner+nodules+guidelines+2017
- http://vepuwawor.idecfoundation.org/uploads/1/3/1/4/131407406/5051401.pdf
- https://cdn.shopify.com/s/files/1/0429/4718/2759/files/kezesimururixujudaxid.pdf
- https://cdn.shopify.com/s/files/1/0431/4952/5149/files/periodic_table_trends_test.pdf
- https://cdn.shopify.com/s/files/1/0435/5509/4679/files/top_100_anime_of_all_time.pdf
- https://cdn.shopify.com/s/files/1/0443/7016/5916/files/guia_turismo_bruselas.pdf
- https://cdn.shopify.com/s/files/1/0433/3063/3881/files/rotate_90_degrees.pdf
- https://cdn.shopify.com/s/files/1/0434/4964/7254/files/69088485294.pdf
- https://cdn.shopify.com/s/files/1/0435/4211/8555/files/96699487219.pdf
- https://cdn.shopify.com/s/files/1/0436/0693/3661/files/wemajagovejupitir.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/parisibudipaxetiwori.pdf
- https://cdn.shopify.com/s/files/1/0433/0625/4494/files/28443959455.pdf
- https://cdn.shopify.com/s/files/1/0447/7501/4566/files/new_let_s_learn_english_1_activity_book.pdf
- https://cdn.shopify.com/s/files/1/0432/1899/3307/files/87008108280.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_off00006fa1.bin066aed48fd4e3c7a35a168edffa1b30717f0accca2690f07325e06d760aa4610 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FA1 | 5352 bytes |
font_01_sfnt_off000081d7.bindf984e71565f79dd4c78dc05b45a378e2930363ef167696a6ab35a00b8a16295 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x81D7 | 15048 bytes |
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