MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many pointing to what appears to be a link farm hosted on Shopify, designed to funnel users to a malicious redirector at 'ttraff.ru'. The document body, though heavily obfuscated, contains the same URL, suggesting an attempt to disguise the malicious intent. The presence of many external links and a critical heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK indicates a high likelihood of malicious activity.
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=focus+on+grammar+5+4th+edition+pdf
- http://files.sandrefotoagency.com/uploads/1/3/0/9/130969499/favurarenidupapeso.pdf
- http://files.pennyandpearlstudio.com/uploads/1/3/0/8/130873902/xozelitusudapot.pdf
- http://files.petersoncounseling.org/uploads/1/3/1/8/131858685/10079.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/3858/8584/files/20644832158.pdf
- https://cdn.shopify.com/s/files/1/0438/3893/1109/files/84042481301.pdf
- https://cdn.shopify.com/s/files/1/0433/0982/6213/files/kafezejomenalikuke.pdf
- https://cdn.shopify.com/s/files/1/0427/9628/6111/files/21914700839.pdf
- https://cdn.shopify.com/s/files/1/0432/6001/8852/files/pirojur.pdf
- https://cdn.shopify.com/s/files/1/0440/1129/0782/files/bilovetad.pdf
- https://cdn.shopify.com/s/files/1/0429/9299/2410/files/vitamulonurirakekatemis.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/52299098946.pdf
- https://cdn.shopify.com/s/files/1/0430/8343/2096/files/15774365313.pdf
- https://cdn.shopify.com/s/files/1/0432/5831/4912/files/rojufepadewo.pdf
- https://cdn.shopify.com/s/files/1/0440/6552/1814/files/wotigavexage.pdf
- https://cdn.shopify.com/s/files/1/0437/8473/2829/files/dozigi.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_off0000529a.binb4745dbf312bfd895f1ad47828cd0380921d3e035bac88b54c6b1d0b539ca013 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x529A | 5704 bytes |
font_01_sfnt_off000065e9.bin85fc595419870ec44c56489c8b70e1cf59b7c53ab76f9ad368302f9f2d94fd15 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65E9 | 10164 bytes |
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