MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on various domains, including a known malicious redirector. The document body itself contains a URL that leads to a redirector, likely intended to obscure the final malicious destination. This suggests a link farm or redirection attack designed to lead users to potentially harmful content.
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.cc/pify?keyword=carols+in+the+domain+2018+performers In PDF document text
- http://bofub.malagasycotonclub.org/uploads/1/3/1/0/131070054/limapedimuxad.pdfIn PDF document text
- http://mifix.bitaffinity.org/uploads/1/3/0/7/130739664/bozedomebuxup.pdfIn PDF document text
- http://ridumab.catherineofsienaparish.org/uploads/1/3/0/7/130776449/15d7c4c.pdfIn PDF document text
- http://files.kiddylinguistics.com/uploads/1/3/2/6/132683168/2296365.pdfIn PDF document text
- http://tasefewe.niosha.com/uploads/1/3/1/6/131637021/b5aef1ec61.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/1/0427/6997/3415/files/fatujasizifojela.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5498/0505/files/68209953919.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8053/8526/files/google_chrome_video_downloader.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4852/5206/files/nilumamadafem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0263/4148/files/3976021601.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0496/0676/files/govopumuxivumedogumexajim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6528/6549/files/44976526714.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6705/6028/files/jezovuwir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0443/8307/6518/files/sat_chemistry_formula_sheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2089/3851/files/c_byte_array_to_file.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3278/8648/files/54035714176.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4073/3341/files/pixev.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6280/3097/files/the_world_of_myth_an_anthology.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2568/6951/files/xokotajedepobuzibazav.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_off0000957a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x957A | 5708 bytes |
SHA-256: a791f91be053e79c8ca60861454fa7fba0dadeab528492e031a7f0ab5277b016 |
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font_01_sfnt_off0000a8b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA8B9 | 10420 bytes |
SHA-256: 4f450c07730861d6537f32b798593902b64354226d84130c3dc4ce31833cade4 |
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