MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'ttraff.ru'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, many hosted on Shopify. The document body, though heavily obfuscated, contains the same malicious URL and a benign-looking URL, suggesting a lure to a malicious site. The primary attack pattern involves tricking the user into clicking a link that redirects to malicious infrastructure.
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/wb?keyword=resultant%20forces%20ks3%20worksheet In PDF document text
- http://dimiv.communitygospelchurch1.com/uploads/1/3/2/6/132681513/04ac20be40c498.pdfIn PDF document text
- http://files.josephlesliepace.com/uploads/1/3/1/4/131438784/212b19.pdfIn PDF document text
- http://files.proyectocubabat.com/uploads/1/3/1/4/131453007/6191197.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/1/0430/6052/7265/files/javascript_get_url_parameter.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7505/2454/files/5155432967.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8323/5489/files/nazemilavi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6088/7705/files/70652884549.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7567/4012/files/58005653866.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1947/6896/files/astm_a370_19.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7587/1654/files/32201345775.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6405/6225/files/7777857353.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8231/7975/files/306207664.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2668/5858/files/fefumupaloma.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8043/3302/files/cockatiel_care_sheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7346/0631/files/bakery_business_proposal_sample.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/66916333827.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8960/0414/files/93766928736.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000934a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x934A | 5132 bytes |
SHA-256: 048317dd8dc9266c277af063327594d122e03fc2557467471fe9676c205408c0 |
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font_01_sfnt_off0000a4ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA4CE | 10900 bytes |
SHA-256: e6807c7b75a2b1791abc8dac0ca550a1b077ba43e63dc53069b6af81c324cc17 |
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font_02_sfnt_off0000c9cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9CB | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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