MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link pointing to 'ttraff.com'. This URL is presented as a link to an English grammar PDF, but it redirects to a malicious site. The document also contains a large number of embedded links, many pointing to Shopify domains, suggesting a link farm for SEO manipulation or to host malicious 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.com/pify?keyword=english+grammar+basic+rules+pdf In PDF document text
- http://files.hooverdamnotes.com/uploads/1/3/0/7/130739146/6219677.pdfIn PDF document text
- http://guparu.creativeartsoasis.com/uploads/1/3/0/9/130969754/sifovig.pdfIn PDF document text
- http://files.aimeeswenson.net/uploads/1/3/1/8/131871705/9669054.pdfIn PDF document text
- http://potezalu.fifecarerscentre.org/uploads/1/3/2/6/132681647/xuguwogezuv-furad-buzenixanin.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/1/0432/9829/1870/files/pomajep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5726/4280/files/22433193693.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1047/3633/files/9674590730.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0848/2724/files/81552338489.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/7779/1897/files/john_deere_hydro_185_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5834/8703/files/download_bnf_75.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3797/4950/files/xilirasodonisogid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5205/6227/files/4587368966.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9359/9132/files/15138940828.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0737/6546/files/3117137520.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5778/9593/files/dawn_of_war_dark_crusade_mods.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9818/6652/files/tigogixoneb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1898/5372/files/xamamafepumawemomakugadi.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_off00006b35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B35 | 5668 bytes |
SHA-256: c2a52e44cab47a1363a5672b9b2ec91f5c7edf569450924d0230fb97946cf6e8 |
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font_01_sfnt_off00007e51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E51 | 10096 bytes |
SHA-256: 272464a3833eb35b2f1cf431a31fd07fdee6a83433860d000dc38c0dd8bbe46b |
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