MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
T1059.001 PowerShell
The PDF contains numerous embedded links, many pointing to a link farm hosted on cdn.shopify.com, and one critical link to a known malicious redirector at ttraff.ru. This indicates a likely SEO poisoning or phishing attack, aiming to drive traffic to malicious infrastructure. The ML classifier strongly supports the malicious nature of this PDF.
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=gcse+biology+heart+exam+questions+pdf In PDF document text
- http://files.teresele.com/uploads/1/3/0/7/130739340/1385744.pdfIn PDF document text
- http://files.undertheseattlemoon.com/uploads/1/3/1/3/131380850/gatupisowod-vuteweze.pdfIn PDF document text
- http://files.conlonlandscapinginc.com/uploads/1/3/0/7/130776542/69905e7122.pdfIn PDF document text
- http://buduxegu.purplegoosetogo.com/uploads/1/3/1/8/131856158/8fd0c4762.pdfIn PDF document text
- http://vafel.enakosovac.com/uploads/1/3/0/8/130813612/gawepi-wusux-dagoditalo-josopabogipis.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/1/0434/4968/0028/files/lijozaterumozaxer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mozesuseb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6942/3257/files/38783556511.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9280/3744/files/emotional_intelligence_research.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5472/5270/files/zavanedemokane.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7113/6154/files/69546157801.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3975/9255/files/nuwave_pro_plus_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2656/9633/files/74829183967.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0473/8206/files/83081058094.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6792/4899/files/65986072056.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4845/0718/files/buwita.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4398/7361/files/huffingtonpost._com_section_politics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6824/3624/files/liste_des_chaines_canalsat_panorama.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5314/6517/files/metal_carbonyl_complexes.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_off00004d67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4D67 | 5920 bytes |
SHA-256: 808161c9daf036cbfc2c41df07b7f94bbab086a0e29410ed52e413c08e83a06f |
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font_01_sfnt_off0000615d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x615D | 9588 bytes |
SHA-256: 96b54ad3e52cef67f7157dba55e783f73ca80ec9876ac17d20eadd0f3d88bda7 |
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font_02_sfnt_off0000823c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x823C | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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