MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a malicious redirector link and a large number of external PDF links, suggesting a link farm or redirection tactic. The presence of a visual download button lure further supports the malicious intent. The primary malicious URL identified is https://ttraff.cc/pify?keyword=past+simple+exercises+for+intermediate+pdf, which is likely used to redirect the user to a secondary payload or phishing site.
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=past+simple+exercises+for+intermediate+pdf In PDF document text
- http://files.mr-stevens.com/uploads/1/3/0/7/130776864/zoxakaso.pdfIn PDF document text
- http://files.traditionsandrecipes.com/uploads/1/3/1/0/131070317/lonavimuv_puwedunuv_nemotogozirar.pdfIn PDF document text
- http://sojazog.acupunctureyin.com/uploads/1/3/1/4/131452903/6323855.pdfIn PDF document text
- http://files.kitchen2boardroom.com/uploads/1/3/1/6/131637853/jatudizu_nebokav_fonigopik.pdfIn PDF document text
- http://files.bandedbird.com/uploads/1/3/1/1/131163718/fenovonupepuxud-gejubibonikuk-jazimi.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/1/0430/8310/4409/files/wilaxakolinijowin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4818/1666/files/bezesifel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1583/9645/files/xaresunigikuvolid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6214/0826/files/xenuvoze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8590/3525/files/63902754395.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3742/5818/files/6498706601.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6836/6760/files/salmos_hernandes_dias_lopes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7700/8550/files/tobufaxiv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3133/0969/files/62478040920.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3475/4728/files/91648443110.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/juzopuzenafososokazulu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3598/4029/files/kenetegis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/26433336276.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_off00004e20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4E20 | 5372 bytes |
SHA-256: 9fcab8b9ddee4814006584ef3459e84d4fd72741895951b28cb28ad3f415d491 |
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font_01_sfnt_off00006052.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6052 | 9680 bytes |
SHA-256: 00168a5cf3387d7ce45fbe98c9067932505e1222320ada21386d871c8257aa55 |
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