MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to Shopify domains but are likely part of a link farm to improve SEO for malicious content. The primary heuristic firing indicates a direct link to a known malicious redirector at 'ttraff.com'. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains the primary malicious URL, suggesting a lure to a malicious site.
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/wb?keyword=poway%20bmp%20design%20manual
- http://files.namiracinecounty.org/uploads/1/3/0/7/130776661/rugewatezanof.pdf
- http://wifof.lisaloguebooks.com/uploads/1/3/2/6/132695531/munuxexemodojobiwolu.pdf
- http://files.mtzionholychurchde.org/uploads/1/3/1/0/131070604/8116094.pdf
- https://cdn.shopify.com/s/files/1/0433/9869/3013/files/kalnirnay_calendar_2020.pdf
- https://cdn.shopify.com/s/files/1/0431/6656/4507/files/vivexegegoputegurugemoz.pdf
- https://cdn.shopify.com/s/files/1/0427/9340/2534/files/36560202503.pdf
- https://cdn.shopify.com/s/files/1/0430/5072/9634/files/normalidad_y_anormalidad_epidemiologia.pdf
- https://cdn.shopify.com/s/files/1/0432/7899/1513/files/alfa_laval_purifier_overhaul.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lalosukiwafigoledexefes.pdf
- https://cdn.shopify.com/s/files/1/0429/8362/0757/files/synonyms_for_common_words.pdf
- https://cdn.shopify.com/s/files/1/0433/8175/1964/files/como_cambiar_de_a_word_en_mac.pdf
- https://cdn.shopify.com/s/files/1/0430/7176/6690/files/89054136965.pdf
- https://cdn.shopify.com/s/files/1/0432/5628/3296/files/dodizefap.pdf
- https://cdn.shopify.com/s/files/1/0432/2862/7107/files/28342139892.pdf
- https://cdn.shopify.com/s/files/1/0430/9712/9109/files/lupun.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_off0000f244.bin80d3662e283dba43a712c2b2a2eeb1bcd4954673601f481154ec24330b494e8b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF244 | 5520 bytes |
font_01_sfnt_off00010504.bin3aa3d808389774b1f69afd3ee2e1746cfc9cf7d31bed36ec05a66404aac8c347 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10504 | 10256 bytes |
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