MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document acts as a link farm, presenting multiple links that appear to offer downloads for 'deep learning' related content. The primary link redirects through a malicious infrastructure (ttraff.cc) to ultimately serve potentially harmful files. The document's structure and embedded links suggest a phishing or malware distribution attempt, likely initiated via spearphishing.
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=deep+learning+adaptive+computation+and+machine+learning+pdf+download In PDF document text
- http://files.2portageesproductions.com/uploads/1/3/0/7/130738501/zifanafesibi.pdfIn PDF document text
- http://files.pssdan.com/uploads/1/3/0/8/130815228/gujuzuguzovir.pdfIn PDF document text
- http://files.dogtrainingmidwales.co.uk/uploads/1/3/0/7/130775504/wugowifixosaru_dazedanadoveku_wesakubezuk.pdfIn PDF document text
- http://neminasij.birthto5partnerships.org/uploads/1/3/0/9/130969204/lebewupoluzi.pdfIn PDF document text
- http://files.aatuners.com/uploads/1/3/2/6/132695915/koxojalato.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/1/0445/6457/8463/files/castrol_lmx_li_komplexfett.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1653/4685/files/shock_therapy_witcher_3.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2738/1920/files/99341352272.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5714/4230/files/kolaroji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9187/7283/files/81472032747.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5165/6102/files/kurokoleniraw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6428/7651/files/barracuda_programmer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8255/5297/files/24759371543.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0041/4883/files/sizitexewofemalapirepidod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5420/2013/files/6691218964.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5578/2817/files/38197721846.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9599/9129/files/37407630447.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005c1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C1C | 6440 bytes |
SHA-256: a606a6dede3b99472d2ac97761204782646b5f75106b48d1abccbe9a99ca9a4c |
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font_01_sfnt_off00006c10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C10 | 5544 bytes |
SHA-256: d56cfd7bb60cdb07e04d9f60d20c8ae65f1a1f35f73a62949fe1cd13df7adbaf |
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font_02_sfnt_off00007edf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7EDF | 10760 bytes |
SHA-256: c97357ecfad62327ea5865e9fff9278d0c615d3e0a004233d009aafc9aff7252 |
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font_03_sfnt_off0000a3d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA3D0 | 16896 bytes |
SHA-256: 6e314908d86deb53635398e2e3fcae76b1cd7748f37f26765e8baf72459ce36a |
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