MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, which is also present in the document body. This link, 'https://ttraff.com/pify?keyword=frp+bypass+apk+samsung++2018', is designed to lure users by promising information on FRP bypass for Samsung devices. The document also contains a large number of external PDF links, many hosted on Shopify, suggesting a link farm for SEO manipulation or to obscure the malicious redirector. The primary intent appears to be directing users to malicious infrastructure via the ttraff.com URL.
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.com/pify?keyword=frp+bypass+apk+samsung++2018 In PDF document text
- http://kowudi.ashleyinanutshell.com/uploads/1/3/1/4/131453574/getizevebi.pdfIn PDF document text
- http://revexuxa.mikericesports.com/uploads/1/3/0/8/130814237/d1c88213ba.pdfIn PDF document text
- http://files.psychotherapistsdatabase.com/uploads/1/3/1/0/131070938/9e7bc.pdfIn PDF document text
- http://wudufane.oldscrollshop.com/uploads/1/3/2/8/132814097/8619006.pdfIn PDF document text
- http://wofox.sedgleyplace.com/uploads/1/3/1/8/131856772/xotisajet.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/1/0430/9411/4465/files/alphabet_cursive_handwriting_worksheets_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2953/4632/files/daxakubivegarawitu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6758/0322/files/youtube_video_format.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9735/0554/files/center_for_humane_technology_design_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8861/8396/files/vibewiwoju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0479/5800/files/76386037323.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8297/3346/files/68272711946.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7387/2807/files/apache_spark_quick_start_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4652/6376/files/birenojaruxoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6975/8874/files/noxiximosafibitigeru.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4398/6327/files/654428358.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_off0000613b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x613B | 5888 bytes |
SHA-256: ac397e20ba0c985f78e4a3b0e35300ae6f8c6072d038742c7b17d8458d71384e |
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font_01_sfnt_off00007539.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7539 | 10128 bytes |
SHA-256: a9901dbcdb246db646847572a86fc798a8855eedb85afa7255050b565ada90c4 |
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