MALICIOUS
242
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious intent, including links to a known malicious redirector and a large number of external PDF links, suggesting a link farm. The presence of a 'download button' lure and a 'remote support tool' lure further supports a phishing or social engineering attack. The document body, though heavily obfuscated, contains the URL https://ttraff.com/pify?keyword=cat+et+software+free, which is also flagged as a malicious redirector.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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Remote-support tool lure high SE_REMOTE_SUPPORT_LUREDocument instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
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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.com/pify?keyword=cat+et+software+free In PDF document text
- http://files.kristiepottertherapy.com/uploads/1/3/1/6/131637169/8784677.pdfIn PDF document text
- http://files.theoasisconference.com/uploads/1/3/1/3/131380456/73c2f15b.pdfIn PDF document text
- http://files.parkerconverse.com/uploads/1/3/1/3/131379280/bd9bb.pdfIn PDF document text
- http://files.riccivineyards.com/uploads/1/3/1/1/131164567/faf569e8182f.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/1/0439/8468/3166/files/dabipozi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4235/6904/files/zugezupok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0511/4528/files/68054035619.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/berujixawajibexuxutuzogar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9931/6639/files/weletuxejip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7971/9330/files/tezoxozawesakuvesapu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8248/8733/files/37005566766.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4686/9915/files/xodos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5777/3718/files/paras_civil_code_obligations_and_contracts.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3037/1738/files/fizasivaluveziluje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6803/8049/files/budetaxaraxonogodaz.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_off00006227.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6227 | 4728 bytes |
SHA-256: d986abf7cd6bdad80b393637c266f38eaba68c53c24a60e6be8f4b0303eafccb |
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font_01_sfnt_off00007259.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7259 | 10624 bytes |
SHA-256: 2ac3b111e1cc05449746f2d387c18f247f7db3992e9632698b0d03b809da0cf8 |
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