MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged as malicious by a machine learning classifier and contains numerous embedded links. One critical heuristic identified links pointing to known malicious redirector infrastructure, specifically 'ttraff.com'. Another critical heuristic noted a large number of external PDF links, suggesting a link farm or SEO poisoning tactic. While no scripts were extracted, the sheer volume of links and the redirection to malicious infrastructure strongly indicate a malicious intent, likely to lure users to harmful websites.
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/wb?keyword=leer%20sensacional%20de%20barrios%20pdf In PDF document text
- http://files.radtkebasstrail.com/uploads/1/3/1/3/131379622/1579511.pdfIn PDF document text
- http://files.smarterbites.org/uploads/1/3/1/4/131453869/63b20a13.pdfIn PDF document text
- http://files.waynehousingcoalition.org/uploads/1/3/1/3/131398097/97e3c2068783a.pdfIn PDF document text
- http://files.tufproject.org/uploads/1/3/1/4/131437044/7955795.pdfIn PDF document text
- http://files.professorofpractice.com/uploads/1/3/0/8/130874240/8970a8.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/1/0433/0687/7080/files/berujixawajibexuxutuzogar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8499/7025/files/fuminawutigagurew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1400/3610/files/41920035350.pdfIn PDF document text
- https://jexosatija.files.wordpress.com/2020/07/83974405291.pdfIn PDF document text
- https://jadulotixen.files.wordpress.com/2020/06/sisodosepogorelili.pdfIn PDF document text
- https://porafofaj.files.wordpress.com/2020/07/gegezegeme.pdfIn PDF document text
- https://nodifewabala.files.wordpress.com/2020/07/25730360869.pdfIn PDF document text
- https://risuzonapi841266864.files.wordpress.com/2020/06/2131850714.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5663/5816/files/67461371573.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8199/0304/files/6751568566.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/56655156305.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4164/3928/files/luxaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4394/6649/files/27379196740.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1991/7717/files/17027069758.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7803/2296/files/98536874355.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3431/9776/files/kimegugunoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4750/0448/files/paxuzes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2210/6271/files/wizakuziwidu.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_off00008dfa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8DFA | 4940 bytes |
SHA-256: 3cfc36a6bb3e1a3b8da44a5f3f2988aac87c80a193e4baf381a3af4726dcf2d5 |
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font_01_sfnt_off00009eb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9EB9 | 11600 bytes |
SHA-256: 0e218492b8365d91d9d9e6ac4eefca68c76cb0043d7452bf2e9f99ee44f3c6d8 |
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