MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF was flagged as malicious by a machine learning classifier and contains a critical heuristic firing for a malicious redirector link. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=pinoy+tambayan+123', which is also listed as a malicious redirector. Additionally, the PDF contains a large number of embedded links, many pointing to shopify.com, which is flagged as a link farm. This suggests the document is part of a phishing or scam campaign designed to redirect users to malicious sites.
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=pinoy+tambayan+123 In PDF document text
- http://files.hopeafterlossorganization.net/uploads/1/3/1/0/131070166/2393059.pdfIn PDF document text
- http://files.epvballoons.com/uploads/1/3/0/7/130739309/radotonu-jedolofi-rixupojulir.pdfIn PDF document text
- http://files.edibledreamworks.com/uploads/1/3/0/7/130776386/c989d.pdfIn PDF document text
- http://files.murpheeandsugar.org/uploads/1/3/1/4/131436978/kakekef-lofejonusara-lusosopo.pdfIn PDF document text
- http://files.ambleandwarkworthrotary.org/uploads/1/3/1/8/131856285/bokivolifaruro-fipelu-tolenemosa.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/1/0432/5657/8212/files/san_luis_pass_fishing_reports.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7920/5031/files/82419773190.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2940/5600/files/22280930699.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5844/5979/files/19694392592.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4211/1650/files/53147487516.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9004/2268/files/wiluvavunixemobera.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4409/2566/files/711580271.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9862/7495/files/buxewipubibowujasolafu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2965/9797/files/sufon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5483/3557/files/wikonopimanuxa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2868/3674/files/1177002456.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9309/6600/files/tozizuligufizadigaxesap.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_off00004aaa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4AAA | 5116 bytes |
SHA-256: d341ab7560b80e85351b9313c76cb9d7b0f2c5bce1f85ad05eba9fa21ddaba79 |
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font_01_sfnt_off00005c1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C1C | 9832 bytes |
SHA-256: ee297d87ff13b8f7bb75d017669f46f3ede29dd9aa82689a98b5b303cece343c |
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