MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous embedded links, including one pointing to a known malicious redirector at 'https://ttraff.ru/wb?keyword=how%20to%20convert%20pdf%20to%20ppt%20without%20software'. This redirector likely serves as a gateway to a phishing page or malware download. The document body itself contains the same lure text, reinforcing the social engineering aspect. The ML classifier strongly indicated maliciousness, and the presence of a redirector link is a critical finding.
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=how%20to%20convert%20pdf%20to%20ppt%20without%20software In PDF document text
- http://files.emotorcontrol.com/uploads/1/3/0/7/130775497/topepevevolom-fotime-jinejafume.pdfIn PDF document text
- http://files.updatescentral.com/uploads/1/3/1/3/131384018/fotimiva_nidanu_gibuvidedavade.pdfIn PDF document text
- http://files.simonikigweba.com/uploads/1/3/1/3/131398177/wagekakapuzowi.pdfIn PDF document text
- http://files.ridgeclinicairliebeach.com/uploads/1/3/1/8/131871778/8776139.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/1/0427/5296/6812/files/62559088644.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tutokufumetuja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/98223768302.pdfIn PDF document text
- https://vijebuxiz.files.wordpress.com/2020/06/22479748386.pdfIn PDF document text
- https://savosamozam994990971.files.wordpress.com/2020/07/butuzo.pdfIn PDF document text
- https://wexozixa.files.wordpress.com/2020/06/xekikafenaro.pdfIn PDF document text
- https://xebekuno.files.wordpress.com/2020/07/bebuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1675/7154/files/kufimedujukesi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2603/9463/files/resar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/banefidofekadozimodomi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7701/8524/files/50131784705.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6819/4978/files/29539243350.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6033/9623/files/lakavamimuraronuri.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6656/4507/files/puvim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/53607129813.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3251/8555/files/2409248578.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/54903558396.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_off00007244.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7244 | 5204 bytes |
SHA-256: 4315bc52bd4c944801d0f5fc022489671fcde5cabf4b40e9dfb7eaa083106dcd |
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font_01_sfnt_off000083fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83FC | 9960 bytes |
SHA-256: 17b4881b2984bf8e188ae84eace4e2429604287c39c781185f7682a3104aedae |
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