MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1200 Hardware Add-in
T1059.001 PowerShell
The PDF contains a large number of embedded links, many pointing to a link farm hosted on cdn.shopify.com, and one critical link to a known malicious redirector at `https://ttraff.cc/wb?keyword=measurement%20of%20air%20temperature%20pdf`. This suggests the document is designed to redirect users to malicious sites, likely for phishing or malware distribution. The ML classifier strongly supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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/wb?keyword=measurement%20of%20air%20temperature%20pdf In PDF document text
- http://files.oxfordpard.com/uploads/1/3/0/8/130813645/wapox_lesunubomo_bepem.pdfIn PDF document text
- http://files.beckedout.com/uploads/1/3/0/8/130813094/dezigakisetud_senefexaribugob_soburekemavaje_totakenijowo.pdfIn PDF document text
- http://files.adolescentidentities.com/uploads/1/3/1/3/131398598/3525293.pdfIn PDF document text
- http://bozepez.goodwinbiotechnology.com/uploads/1/3/1/4/131406893/nibisezinuwulomuli.pdfIn PDF document text
- http://files.merrimacohd.com/uploads/1/3/1/8/131872238/vemefelex-xezevinuwu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0434/0065/9100/files/naputemotezesudidabumika.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6857/1299/files/grade_5_math_practice_workbook.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0693/3661/files/a_ladder_to_the_sky_john_boyne.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5417/7183/files/27645571236.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6034/7551/files/el_dulce_dao_alfonsina_storni.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0659/0104/files/38542822256.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7606/6207/files/kosatemenexuferibevew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5436/6877/files/65632700565.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1324/2014/files/dazuwikisojivefikawetilof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8692/1374/files/5977238397.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008b6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B6B | 5044 bytes |
SHA-256: 0280b51ad3e4429f5468a79a555ac037193641df827c7fccb49741d71f8fd000 |
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font_01_sfnt_off00009c77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C77 | 10644 bytes |
SHA-256: 500621d5f534c563f67fea497d705736a129ff9b824811277fc9bea4599d011f |
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font_02_sfnt_off0000c0ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0CE | 16064 bytes |
SHA-256: 0b6d67ed6f7b9ca340f69bc1efbee2cf1faeb02ae856abbfc241c325d1d7b232 |
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font_03_sfnt_off0000d563.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD563 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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