MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'screening mammogram guidelines 2019' and the malicious URL, suggesting a lure to a phishing or malware distribution site. The presence of a malicious redirector link and the ML classifier's high confidence score indicate a malicious intent to redirect the user to a harmful destination.
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.me/pify?keyword=screening+mammogram+guidelines+2019
- https://static.usrfiles.com/ugd/111c46_e89824d3ce93432c842ddc411a00520f.pdf
- https://static.usrfiles.com/ugd/2f8cea_63e7f15959174496b43af891c1d9ce28.pdf
- https://static.usrfiles.com/ugd/08e331_d9e1662513ae474586758f0456640a05.pdf
- https://cdn.shopify.com/s/files/1/0429/5698/0377/files/90444496404.pdf
- https://cdn.shopify.com/s/files/1/0437/5930/4858/files/xitonewas.pdf
- https://cdn.shopify.com/s/files/1/0432/5218/7298/files/waalaikumsalam_short_form.pdf
- https://cdn.shopify.com/s/files/1/0437/8315/9969/files/functional_foods_review.pdf
- https://cdn.shopify.com/s/files/1/0429/4141/5580/files/kogimubapemi.pdf
- https://cdn.shopify.com/s/files/1/0430/0213/4681/files/feliturezesujezafavowuzad.pdf
- https://cdn.shopify.com/s/files/1/0434/9735/7472/files/youtube_to_mp4_unblocked.pdf
- https://cdn.shopify.com/s/files/1/0428/5526/8519/files/bikokisevabinelitexebowuk.pdf
- https://cdn.shopify.com/s/files/1/0431/6227/1898/files/ruxemedetutaxula.pdf
- https://cdn.shopify.com/s/files/1/0443/5096/3868/files/29353872651.pdf
- https://cdn.shopify.com/s/files/1/0434/8562/6520/files/94156510252.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_off0000607a.bin2013ddb5f6c7e991fa3422666cd758ab666579f32557e0f741f128b2aaa61f7d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x607A | 5844 bytes |
font_01_sfnt_off0000743f.bin1f06b7ec3204586f969df541dce1ddb323b3281d289842669e0999f780ac9d37 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x743F | 10992 bytes |
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