MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious File: Malicious Link
The PDF contains a significant number of embedded links, with one heuristic identifying it as a PDF link farm. The primary malicious link, 'https://ttraff.ru/pify?keyword=atlassian+bamboo+documentation+pdf', suggests a redirection to potentially malicious content. The document body itself is heavily obfuscated and contains metadata indicating it was generated by wkhtmltopdf, a tool often used to create PDFs from web content, further supporting the link-based attack pattern.
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.ru/pify?keyword=atlassian+bamboo+documentation+pdf In PDF document text
- http://files.mrmacbiblebook2.com/uploads/1/3/1/4/131437980/pekid_logimilima_suxofaxaz_kudubojutedow.pdfIn PDF document text
- http://files.positivelypinckney.com/uploads/1/3/0/9/130968967/1373947.pdfIn PDF document text
- http://tukiwaz.geraldinemalone.ca/uploads/1/3/0/7/130775403/2991670.pdfIn PDF document text
- http://soxavifab.mercerislandgirlscouts.org/uploads/1/3/2/7/132712615/6470714.pdfIn PDF document text
- http://files.littlelemonmarketing.com/uploads/1/3/0/7/130740429/zepozed.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/1/0436/0654/0445/files/central_limit_theorem_proof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2891/3055/files/agile_project_management_pmi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5085/2762/files/90005885584.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/2283550224.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8996/1884/files/suzuvuliwopo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5525/9560/files/sirifinurigokin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6443/5612/files/greek_mythology_creation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7704/2325/files/kudisufof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5254/7739/files/gijapedipemotonufemej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8365/2506/files/tuberujezidixumebezepu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0876/1764/files/craigslist_in_rapid_city_sd.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8605/2518/files/18047993481.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5369/5647/files/13875450028.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1827/2423/files/81139363960.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_off000057bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57BF | 5332 bytes |
SHA-256: 70c824ddbb8f48bf6ccba7085738b8fa4d8490c0c16903750c794c90eea36e27 |
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font_01_sfnt_off000069be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69BE | 10024 bytes |
SHA-256: 3f7ba80f251bdb35137e80201b76c2e87abe7f59d050652702d59614965d86f3 |
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