MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many of which point to a redirector service (ttraff.com) known for malicious activity. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains URLs that are likely part of a link farm designed to deceive search engines and users into downloading further malicious content or visiting phishing sites.
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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=pasto+brizantha+pdf In PDF document text
- http://mepata.landmarkpublicart.com/uploads/1/3/2/6/132681352/87f2d615eb12eb.pdfIn PDF document text
- http://files.southtownscatholic.org/uploads/1/3/1/6/131636990/3996155.pdfIn PDF document text
- http://tilojimew.christine-keeler.co.uk/uploads/1/3/0/9/130969744/fatawu-seneki-diwimeg.pdfIn PDF document text
- http://files.collaborativeteachersinstitute.com/uploads/1/3/0/7/130740521/nuriv.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/1/0428/9835/8432/files/57355052908.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7146/3831/files/95818232703.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2326/9014/files/fokakemubol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5530/0249/files/60297811608.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1789/4050/files/descriptive_statistics_thesis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4131/6249/files/current_affairs_cloud_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1553/5774/files/82274915571.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/74731072541.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4649/2565/files/52356449093.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32150460784.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0455/7472/files/xemofiguku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2180/2404/files/18689205008.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1726/3510/files/moboximopikexa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6205/9427/files/37285504473.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_off00006a4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A4A | 5288 bytes |
SHA-256: 0de15cb618fdd4dba53f76697eeeef11014fc5a52226feaecb6c8ae1c847ebec |
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font_01_sfnt_off00007c3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C3E | 10336 bytes |
SHA-256: 1702b6281ed21f291e38174fcabc80ee232f597e2fb91ee26634f909aa727653 |
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