MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of embedded links, many of which point to external resources. One critical heuristic identified a link to a known malicious redirector, 'https://ttraff.ru/pify?keyword=barbara+cartland+ebooks+free+download+pdf', which is presented as a lure for free ebook downloads. The document body, though heavily obfuscated, also contains this URL and other similar links. The presence of a malicious redirector suggests an attempt to lead the user to a site that may host further malware or phishing content.
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=barbara+cartland+ebooks+free+download+pdf In PDF document text
- http://files.womensquartermarathon.com/uploads/1/3/1/1/131163834/vupiziwazonezusujo.pdfIn PDF document text
- http://files.incrediblespice.com/uploads/1/3/1/6/131636903/jimadanabok.pdfIn PDF document text
- http://files.scatennis.com/uploads/1/3/2/6/132695492/c699aa1c5ee.pdfIn PDF document text
- http://files.maribellyspartysupplies.com/uploads/1/3/1/4/131453823/juwebufezula-vajamowokel.pdfIn PDF document text
- http://files.shamansgathering.com/uploads/1/3/2/7/132710721/86f265690757b.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/1/0437/9744/6816/files/benefits_of_anulom_vilom_pranayama.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vaxopegi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6623/7852/files/vokufezopowozu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1806/6842/files/33979571967.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4742/6975/files/59505388273.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4572/5094/files/segupekaronupavakibux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3888/3485/files/97504286372.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1791/9909/files/42769657441.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9075/6259/files/8601102765.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4392/1820/files/lujake.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4855/1068/files/44725475366.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9013/3663/files/docker_machine_mac.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_off00005e7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E7A | 5492 bytes |
SHA-256: c5830782afbdee072cae7dacffc938d7160167258d7620d00e3097cb72da647c |
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font_01_sfnt_off00007147.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7147 | 9932 bytes |
SHA-256: 68a5274b76bd515b53488ba2b38b3499c2fe5403cb940c199f8a1edf0670a78d |
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