MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.com'. The document body, though heavily obfuscated, also contains this URL and numerous other links, many hosted on Shopify, which is flagged as a link farm. The primary malicious URL is 'https://ttraff.com/pify?keyword=the+multivariate+normal+distribution+tong+pdf'. This suggests a phishing or scam attempt disguised as an academic document.
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.com/pify?keyword=the+multivariate+normal+distribution+tong+pdf In PDF document text
- http://mijive.paulwilkinselectricien.com/uploads/1/3/1/3/131379295/xavirasolakilox.pdfIn PDF document text
- http://kobomajos.jamesbrearley.com/uploads/1/3/1/3/131380005/giwavunipufosuf_rogixukapo.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/1/0431/6259/9585/files/25686143618.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7701/8524/files/comensalismo_definicion.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4830/4797/files/70459630296.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6694/8773/files/83550695369.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1468/3815/files/votidivulan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9923/5228/files/33417968539.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/medade.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5725/9420/files/docker_kill_all_running_containers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1610/1793/files/tahapan_sintesis_protein.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0008/6180/files/jiwidenesipodexur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7523/2153/files/approved_house_plans_south_africa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7447/7464/files/54925667670.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_off00010298.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10298 | 5604 bytes |
SHA-256: bb089d256733b8e4ba1f670911c3a839f0bfe3ece03d606f1f49f9c219b7656a |
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font_01_sfnt_off0001157f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1157F | 18104 bytes |
SHA-256: 47f2fac04eb6098d9bc621f77861ecdafde6a52d44213cc8466cbd694e004c59 |
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font_02_sfnt_off00014ed9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14ED9 | 16744 bytes |
SHA-256: f1e14eaf7557e9ef7c8a2300f1605a5bf807ce2a47b40879200bdc05ab837fa7 |
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