MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with one specifically pointing to a known malicious redirector (ttraff.cc). The document body, though heavily obfuscated, contains text related to 'Assumptions in quantitative research pdf' and references wkhtmltopdf, suggesting a lure to download or access malicious content disguised as academic material. The presence of a link farm heuristic further indicates an attempt to distribute malicious links.
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=assumptions+in+quantitative+research+pdf
- http://dipobe.uccsmithton.org/uploads/1/3/1/8/131871699/famakuburafimoki.pdf
- http://gomavodur.mindfulsomatictherapy.com/uploads/1/3/1/1/131164097/dapeg.pdf
- http://vavizida.shopmutana.com/uploads/1/3/0/9/130969723/2876289.pdf
- https://cdn.shopify.com/s/files/1/0434/3883/3816/files/the_cambridge_handbook_of_english_corpus_linguistics.pdf
- https://cdn.shopify.com/s/files/1/0432/0778/6657/files/vutetafesomudowov.pdf
- https://cdn.shopify.com/s/files/1/0432/4284/8418/files/papebirugujifit.pdf
- https://cdn.shopify.com/s/files/1/0436/2177/7570/files/cancionero_infantil_partituras.pdf
- https://cdn.shopify.com/s/files/1/0431/3592/6434/files/22995921362.pdf
- https://cdn.shopify.com/s/files/1/0429/0091/4343/files/62188925169.pdf
- https://cdn.shopify.com/s/files/1/0436/3078/8758/files/pidovupusufulanegub.pdf
- https://cdn.shopify.com/s/files/1/0427/6686/0455/files/kitiderew.pdf
- https://cdn.shopify.com/s/files/1/0434/0203/5351/files/lapetevoramefafob.pdf
- https://cdn.shopify.com/s/files/1/0447/3955/9578/files/dolch_sight_words_list.pdf
- https://cdn.shopify.com/s/files/1/0430/1642/1529/files/16010656124.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_off0000875c.bin7ead774cb68406337f0f248f29dc9e8130644aded722b390e8b8448eb41490e0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x875C | 5536 bytes |
font_01_sfnt_off00009a0c.bin380d06f5c7f22df0f210ee88ff18bedd79960c88b574ff139dbe35e531738600 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9A0C | 11772 bytes |
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