MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, including one pointing to a known malicious redirector at 'https://ttraff.com/pify?keyword=auxiliary+verbs+and+modal+verbs+pdf'. The document body and embedded links suggest a lure to download further content, likely malicious. 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.com/pify?keyword=auxiliary+verbs+and+modal+verbs+pdf
- http://files.hengjieai.com/uploads/1/3/0/8/130874457/xusoliva.pdf
- http://files.laurenballarteducation.org/uploads/1/3/1/8/131856170/nupizob_dulizowu.pdf
- http://files.markkarsten.com/uploads/1/3/1/6/131636954/gufiromadavamud.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/8099/0366/files/35646193689.pdf
- https://cdn.shopify.com/s/files/1/0433/0625/4494/files/list_of_state_abbreviations.pdf
- https://cdn.shopify.com/s/files/1/0430/5453/0709/files/jizajojabigiwurafojazuku.pdf
- https://cdn.shopify.com/s/files/1/0429/6785/9359/files/accounting_books_journal_and_ledger_pdf.pdf
- https://cdn.shopify.com/s/files/1/0433/0084/7781/files/bivafot.pdf
- https://cdn.shopify.com/s/files/1/0430/6855/5415/files/92601814821.pdf
- https://cdn.shopify.com/s/files/1/0430/4293/0842/files/38314898166.pdf
- https://cdn.shopify.com/s/files/1/0432/9121/3980/files/15322427591.pdf
- https://cdn.shopify.com/s/files/1/0428/6667/1782/files/lewiston_me_weather.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_off00006715.bin3c34899e4a302bb9ef64d2e1daab57ae7a4b8f1c036809bdd63c7cf69b1115bf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6715 | 5548 bytes |
font_01_sfnt_off000079e8.bin28e38c4d5269e2f6c0534d7613311c9cff057daf9f966b3fd999e13fdf02bebc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79E8 | 9748 bytes |
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