MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was generated by wkhtmltopdf and contains a significant number of embedded links. One of these links, 'https://ttraff.cc/pify?keyword=air+masses+how+formed', points to a known malicious redirector. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external PDF links, many of which are hosted on Shopify but some point to suspicious domains, suggesting a link farm designed to lure victims. The ML classifier strongly flagged this PDF as malicious.
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.cc/pify?keyword=air+masses+how+formed In PDF document text
- http://nubuv.tucsonhopshop.com/uploads/1/3/1/1/131164250/3775899.pdfIn PDF document text
- http://files.karenwellingtonfoundation.org/uploads/1/3/0/9/130969824/gujutewabogexi.pdfIn PDF document text
- http://lalexij.beachcleaner.com/uploads/1/3/1/4/131452903/1763755.pdfIn PDF document text
- http://files.talgolani.com/uploads/1/3/1/4/131438464/jutoziwutewuf-tibemiwitirijo-sadelatif.pdfIn PDF document text
- http://wewifow.therapistsmap.com/uploads/1/3/0/8/130814328/8530a706.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/1/0446/7671/0563/files/icse_maths_book_for_class_4_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7895/0810/files/73342360916.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5407/8871/files/kosezimipulono.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0451/1399/9512/files/ahad_nama_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/3720/0277/files/o_autismo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0451/3647/8361/files/atheism_and_theism.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/89647405972.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1765/6728/files/rosuzirul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8245/7000/files/54361377126.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2462/9411/files/nazowot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3854/6840/files/63757083694.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000717a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x717A | 5196 bytes |
SHA-256: 5a5261f1af7484b92c63355a07ac7590dbb18682ba1630b52e2547528954948c |
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font_01_sfnt_off0000830d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x830D | 10496 bytes |
SHA-256: cc07b84b3e21dcf40525b6ea0b4cf9f1f59d790058de8c370cdbcf7de75e20cc |
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font_02_sfnt_off0000a723.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA723 | 16424 bytes |
SHA-256: 4e33714b56110788a65b3ccccc86b33874f2ccf8e01c4b58923d0723bd0c6ca7 |
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