MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.ru, which is likely intended to lead the user to a malicious payload. The document body contains text related to 'Calendario rusia 2020 pdf chile' and includes the malicious URL, suggesting a lure for users seeking this information. The presence of numerous external PDF links, many hosted on Shopify, further indicates a link farm or SEO poisoning attempt to drive traffic to malicious sites.
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.ru/pify?keyword=calendario+rusia+2020+pdf+chile In PDF document text
- http://files.leonardsportsassociation.com/uploads/1/3/0/7/130738596/mujowipovopaw.pdfIn PDF document text
- http://files.dioceseofquincy.org/uploads/1/3/1/4/131409309/cf6c63.pdfIn PDF document text
- http://files.ellengiggenbach.com/uploads/1/3/1/3/131383837/e41882fabb5eb.pdfIn PDF document text
- http://gumafuv.daddysclinic.org/uploads/1/3/1/4/131453133/gukanupelez_vojanivozofoju_loruwodowe_fawefuvusoz.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0449/8338/6280/files/annona_muricata_l.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2039/3380/files/cascaded_differential_amplifier.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8851/9076/files/ropotebukibenenaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7036/5602/files/navinikusavupatara.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5433/3093/files/gorijinonozupasufadovilu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4647/8758/files/94057929054.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9911/1070/files/32150403802.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8376/7713/files/neet_chemistry_books_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gobobuxewinunegurugita.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8097/4490/files/adjectives_worksheets_for_grade_4_with_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6509/5845/files/63473736818.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nojigepinipefonumupitos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5713/5257/files/64241618534.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000066b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66B3 | 5340 bytes |
SHA-256: 4c1c84f2faa2c2b91c1502c7be961345adf87d324c82aecb3e9433476e42ce6c |
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font_01_sfnt_off000078cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78CC | 10592 bytes |
SHA-256: e5365f1e69ba635ad3b4843b38b46ee5a1043c7954766fd7dd07acb39634502e |
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font_02_sfnt_off00009cfb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9CFB | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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