MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains multiple heuristics indicating malicious redirector links and a link farm designed to obscure the final destination. The primary redirector URL, 'https://ttraff.ru/pify?keyword=5.+10+guide+tennie+mid+gtx', is flagged as malicious. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool sometimes used to create malicious PDFs. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is used for malicious redirection.
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.ru/pify?keyword=5.+10+guide+tennie+mid+gtx In PDF document text
- http://files.jennysparrowworks.com/uploads/1/3/1/3/131383727/6258416.pdfIn PDF document text
- http://files.holmevalleyfairtrade.com/uploads/1/3/1/6/131606198/rubabolewi.pdfIn PDF document text
- http://files.malamathesea.com/uploads/1/3/0/7/130776478/jusedeme.pdfIn PDF document text
- http://files.cogcomlab.com/uploads/1/3/0/7/130739376/0430f70ddaab284.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3729/4754/files/7706024118.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6769/3474/files/nagobikumi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9503/8877/files/35564116722.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7949/9940/files/24457357385.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4610/9341/files/38042076383.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6628/5462/files/45342715560.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9875/7538/files/gefowudakowamusozuje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4170/9462/files/fumirosuwadositarovaxitid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9795/6258/files/pebeseg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mupesoxozuwimufuvijolus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4973/8650/files/34917536202.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0718/0954/files/14171168880.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5196/4830/files/55771443006.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6244/2661/files/13412504014.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
🗂 Part of campaign:
holmevalleyfairtrade.com
3 samples
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006da9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DA9 | 4724 bytes |
SHA-256: 051d36f20247f953456ae5fdbdeda597d2ada4439416b640f4e50cc2dd3faa2a |
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font_01_sfnt_off00007dad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DAD | 13316 bytes |
SHA-256: df4ddfee38d31ddead3a22c5124bd18962f3127a4f6e99ff4ea8ae3bc8b4a89a |
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