MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by a machine learning classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. The document body and embedded links reveal a large number of external URLs, many hosted on Shopify, suggesting a link farm designed to distribute traffic. One of the primary links, 'https://ttraff.cc/pify?keyword=nonlinear+acoustics+hamilton+blackstock+pdf', is a known malicious redirector.
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=nonlinear+acoustics+hamilton+blackstock+pdf In PDF document text
- http://files.raleighmoravian.org/uploads/1/3/1/6/131637092/zavokebofakapez-labukoke-guvarasadojut.pdfIn PDF document text
- http://files.kemigroup.com/uploads/1/3/1/0/131070452/wodawojabevilan-mopabejubus-goporodejojel-wefogixaz.pdfIn PDF document text
- http://files.vanhowell.com/uploads/1/3/1/0/131070113/1484461.pdfIn PDF document text
- http://files.roberthillpsychologist.com/uploads/1/3/2/8/132814791/tasunenixa.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/1/0427/7298/8071/files/pibararokelaxetidasututij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2353/2195/files/fokiv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3010/1668/files/ribujitukelotemasaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0163/4213/files/charge_blade_guard_point.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/69651331918.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5201/4495/files/basic_tactics_for_listening_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4162/7029/files/ich_guidelines_for_analytical_method_development_and_validation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1481/5901/files/53610472641.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6849/7823/files/72175975109.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2666/8952/files/wibikederilexufezizatilar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/2165/3400/files/dmg_to_iso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3577/0532/files/what_is_120_kg_in_pounds.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6472/9512/files/2005_chevy_cobalt_repair_manual.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000638e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x638E | 5568 bytes |
SHA-256: 09ea7327305554cdf315f84f7bf0a08311462b66adc85945d74cefb95b3beab4 |
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font_01_sfnt_off00007654.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7654 | 10488 bytes |
SHA-256: 798147374ca8dbe7f933843e8a14e1ce563419119b418a80f0fd349d7bee3838 |
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font_02_sfnt_off00009a75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9A75 | 16152 bytes |
SHA-256: 357ebfcf57d2794f8e6388ac132726caa065d12f5d07c6b7ee4681451a0ab637 |
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