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 point to Shopify domains hosting other PDFs, but one critical link redirects to a known malicious redirector at 'ttraff.ru'. The document body, though heavily obfuscated, contains the text 'Unusual formal dresses australia' and the malicious URL, suggesting a lure to trick users into clicking the links. 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.ru/pify?keyword=unusual+formal+dresses+australia
- http://nafina.moriahellamason.com/uploads/1/3/2/6/132695839/xojonipotafiralarowe.pdf
- https://cdn.shopify.com/s/files/1/0433/5517/7109/files/watch_chappie_free_online.pdf
- https://cdn.shopify.com/s/files/1/0431/1754/3588/files/clinical_biochemistry_an_illustrated_colour_text_free_download.pdf
- https://cdn.shopify.com/s/files/1/0427/9658/1020/files/viwef.pdf
- https://cdn.shopify.com/s/files/1/0449/9360/9896/files/gudigoxijusazog.pdf
- https://cdn.shopify.com/s/files/1/0440/1473/1429/files/brazil_food_guide_pyramid.pdf
- https://cdn.shopify.com/s/files/1/0434/3840/7845/files/tutamafukudukekuz.pdf
- https://cdn.shopify.com/s/files/1/0434/8801/8594/files/wufojalanuwolulovasabepe.pdf
- https://cdn.shopify.com/s/files/1/0433/5845/3918/files/vukemidemezejazulibezewar.pdf
- https://cdn.shopify.com/s/files/1/0427/8039/3639/files/71723501562.pdf
- https://cdn.shopify.com/s/files/1/0433/4606/7621/files/93111470900.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_off00005f62.bin7a3acf96b1cdec9c5cc4bf058253cf95a357ea739e44caf59b9a146fed079086 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F62 | 5044 bytes |
font_01_sfnt_off00007070.bin46261529a606ef13a6ec958c836431db9460ff12df01fda3bcf22ff133c5b855 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7070 | 10684 bytes |
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