MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple heuristics indicating malicious intent, including a link to a known malicious redirector and a large number of external PDF links, suggesting a link farm for SEO manipulation. The presence of a 'download button' lure further supports a phishing or redirection attack. The primary malicious URL identified is https://ttraff.cc/pify?keyword=model+of+experience+certificate+pdf, which is used to redirect the user.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=model+of+experience+certificate+pdf In PDF document text
- http://files.hollysmithsj.com/uploads/1/3/1/4/131453636/goduzonowoguzinex.pdfIn PDF document text
- http://files.mattlmiller.com/uploads/1/3/0/8/130814050/pubagefu.pdfIn PDF document text
- http://files.colesworldofmathematics.com/uploads/1/3/1/3/131381901/ravatetunug-lojiko.pdfIn PDF document text
- http://files.8foodallergensfreedelicious.com/uploads/1/3/1/3/131379246/dizodave.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/1/0431/3281/3473/files/zip_codes_in_usa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7895/8758/files/94612687010.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9474/6023/files/62055654417.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/1197/6855/files/operatoria_dental_barrancos_mooney.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1471/7597/files/ben_roethlisberger_net_worth.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7278/1477/files/html5_cheat_sheet_2018.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7107/7526/files/alter_ego_a1_gratis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7834/4097/files/cessna_421_checklist.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0459/2287/7607/files/zener_diode_characteristics_lab_report.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2878/3002/files/75522544751.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/0916/0862/files/penifi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3815/4657/files/29391773716.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5678/9664/files/43959221319.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_off0000624a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x624A | 5044 bytes |
SHA-256: 1630e48a2f9567494a32497a6156cb68caae863213a8d7d596af6421fd78db48 |
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font_01_sfnt_off0000738d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x738D | 9968 bytes |
SHA-256: 190b0df1b37f41c5985781d5577d6ff1ea647ffb51ac133bf3e6676042e20066 |
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