MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
This PDF document contains a large number of embedded links, a technique commonly used for SEO link farms and to redirect users to malicious sites. The primary redirector URL identified is https://ttraff.ru/wb?keyword=heyday%20wireless%20bluetooth%20earbuds%20manual. The ML classifier strongly indicated maliciousness, and the PDF_MALICIOUS_REDIRECTOR_LINK heuristic confirms the presence of links to known 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=heyday%20wireless%20bluetooth%20earbuds%20manual In PDF document text
- http://files.teammissionsports.com/uploads/1/3/0/8/130873830/56fd778fc49d11.pdfIn PDF document text
- http://files.saintalphonsusschool.org/uploads/1/3/1/8/131857071/b41fba5.pdfIn PDF document text
- http://files.nomadwill.com/uploads/1/3/1/4/131437584/9681cc76464.pdfIn PDF document text
- http://files.mnjeweler.com/uploads/1/3/1/4/131437740/fomurogoxufirofaliz.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/1/0431/5955/2155/files/895492321.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/57148414383.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5819/1768/files/xanamopeterejesu.pdfIn PDF document text
- https://dexugosaduj.files.wordpress.com/2020/06/furawadux.pdfIn PDF document text
- https://gupasuva.files.wordpress.com/2020/06/75744185009.pdfIn PDF document text
- https://ganepubanot.files.wordpress.com/2020/07/2500826827.pdfIn PDF document text
- https://liregip.files.wordpress.com/2020/07/65832365038.pdfIn PDF document text
- https://sisunozu.files.wordpress.com/2020/06/bevijevolalodi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2897/1674/files/tibipotosusivala.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6263/2360/files/woxab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/46287179129.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6805/4949/files/zuparawag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9681/0396/files/sijafe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pelezegagujagemubejapo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6838/3642/files/tofimubutosimixoluweb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/93867881616.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3316/5986/files/99098523877.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000061ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61CE | 5240 bytes |
SHA-256: d68eaf70dd44a283c676d3abf317cadd31047ea8516f76a414c2b29fcf17751c |
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font_01_sfnt_off00007381.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7381 | 10160 bytes |
SHA-256: 6256ea3fac47fa8a911fc32f8c3cbabd00d122a36f09a503fdfe02da8c83ab9c |
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