MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple embedded links, with one specifically identified as a malicious redirector. This redirector leads to a URL containing 'oxford english dictionary full pdf download', suggesting a lure to entice users to click. The presence of numerous external PDF links, many hosted on Shopify, further indicates a link farm designed for SEO manipulation or traffic redirection. No scripts were extracted, and the document body was heavily obfuscated, but the primary malicious activity is the redirection to a known malicious URL.
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=oxford+english+dictionary+full+pdf+download In PDF document text
- http://lawizi.marketingjpm.com/uploads/1/3/1/4/131409090/1d27c0bc7b7.pdfIn PDF document text
- http://files.betheluccspringgrove.com/uploads/1/3/0/8/130813973/1763275.pdfIn PDF document text
- http://files.ianlinden.com/uploads/1/3/1/1/131164016/rikobusadatovup_vobazom_debobexi.pdfIn PDF document text
- http://files.itiswritten.net/uploads/1/3/0/7/130738666/kenusasun-pugixamebakaga.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/1/0430/7766/4929/files/68005012976.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9925/0081/files/gifijaduxeruxoketiruzimo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1090/6518/files/jujisiselazizinubuxuzo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7361/0663/files/leroku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1724/8672/files/zofibirulugujexewujig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6764/5857/files/95115270734.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1067/9203/files/98594074654.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/danedogorolulefumatexa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7950/6847/files/tp_link_archer_c2_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5787/2033/files/fununavilumawapugamexo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2265/4362/files/68207948774.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/3488/9627/files/emotional_development_during_adolescence.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2947/1130/files/bioassay_definition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4431/4024/files/90224604118.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_off00006c11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C11 | 5704 bytes |
SHA-256: 4f175a6e019f280b1f37993272cad2a8c4d5a5f411f802d13e1fac73804c42d4 |
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font_01_sfnt_off00007f98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F98 | 10576 bytes |
SHA-256: 0b71e08ec75d417171144ff99b6a112a09a95b00f38caa901c74754903d6c7ea |
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font_02_sfnt_off0000a3e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA3E7 | 16544 bytes |
SHA-256: 4354bd37e85197a997b2f6c8c8698034d2711068b41d1b66819094364c364bcc |
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