MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure at 'ttraff.com'. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool sometimes used to create malicious documents. The presence of a large number of external PDF links, many hosted on Shopify, further supports the idea of a link farm or distribution mechanism.
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=graded+exposure+hierarchy+pdf In PDF document text
- http://files.keithingtonbryant.com/uploads/1/3/2/7/132740700/nodizeweboluje_soseberipoke_fawakiguf.pdfIn PDF document text
- http://files.oldlinereferees.org/uploads/1/3/1/8/131871518/9202653.pdfIn PDF document text
- http://files.revibeyourself.com/uploads/1/3/2/3/132303359/zafunit.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/1/0432/4681/3346/files/49114396958.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/49893706483.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6308/3162/files/13561847642.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2181/1362/files/pokimalifuworobelugedo.pdfIn PDF document text
- https://livasif.files.wordpress.com/2020/07/71731593150.pdfIn PDF document text
- https://potavetuzeva.files.wordpress.com/2020/07/lotetirevozujaka.pdfIn PDF document text
- https://vugerudima.files.wordpress.com/2020/07/524942604.pdfIn PDF document text
- https://bazazexa.files.wordpress.com/2020/06/57769237998.pdfIn PDF document text
- https://miloparewez.files.wordpress.com/2020/07/gesokazu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5423/4785/files/funorubatokuzalu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5109/6984/files/semotutowejebajeva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0149/4178/files/pebasifozisamuzin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4620/7637/files/fikurum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2623/6063/files/20120159773.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4754/2175/files/39673618845.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8451/3440/files/wepunip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2287/5813/files/32245261793.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_off00007988.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7988 | 5108 bytes |
SHA-256: 10253cf6d2ae1a95a565e1ff6fac066c0471ac0391c5d353707e1710f58c1426 |
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font_01_sfnt_off00008b08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B08 | 10072 bytes |
SHA-256: a9e16f6ea0ee266c759fdbfffa42af4010f6f37231796ecfc52246293e0cfba2 |
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