MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which are part of a link farm hosted on Shopify. One prominent link directs to a known malicious redirector, 'ttraff.ru', which is likely used to obscure the final malicious destination. The document body, though heavily obfuscated, contains the same academic-themed lure and the malicious redirector URL, indicating a social engineering attempt to drive traffic to malicious infrastructure.
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=academic+performance+of+students+definition
- http://repobutox.princeofpeaceracine.com/uploads/1/3/1/3/131378970/buniradesivevowusu.pdf
- https://cdn.shopify.com/s/files/1/0431/5830/6965/files/mimajogaxenopotodi.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/54341666742.pdf
- https://cdn.shopify.com/s/files/1/0433/3309/1480/files/bogekeriz.pdf
- https://cdn.shopify.com/s/files/1/0431/3785/9735/files/english_synonyms_word_list.pdf
- https://cdn.shopify.com/s/files/1/0433/1733/0075/files/poem_barolong_seboni.pdf
- https://cdn.shopify.com/s/files/1/0432/9809/5272/files/nogut.pdf
- https://cdn.shopify.com/s/files/1/0428/9714/6019/files/batewogogobamej.pdf
- https://cdn.shopify.com/s/files/1/0430/6924/3553/files/58296023757.pdf
- https://cdn.shopify.com/s/files/1/0434/5669/2390/files/chicken_run_full_movie_3gp.pdf
- https://cdn.shopify.com/s/files/1/0433/6674/4220/files/bed_sheet_clips_bed_bath_and_beyond.pdf
- http://www.flickr.com/photos/alamosbasement/
- 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_off00005c90.bin2674f0377334caa806e31014a2f5ec5b17060cec51a04928ca8e8918b762b441 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C90 | 5260 bytes |
font_01_sfnt_off00006e51.binc03783a679790442bfe3d8a9b1524c2322d9c241cf82df620f8570b5b79a9b43 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E51 | 9700 bytes |
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