MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious due to the presence of numerous embedded links. One critical heuristic firing indicates a PDF redirector link to 'ttraff.ru', which is known malicious infrastructure. Another critical heuristic identified a large external PDF link farm, with many links pointing to Shopify domains. The document body contains garbled text but also includes the URL 'https://ttraff.ru/pify?keyword=law+on+obligations+and+contracts+soriano+pdf', suggesting a lure related to legal documents. The primary attack pattern involves redirecting users to malicious sites, likely for phishing or malware delivery.
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=law+on+obligations+and+contracts+soriano+pdf In PDF document text
- http://files.aslanspaw.net/uploads/1/3/0/7/130776601/8dce4f874.pdfIn PDF document text
- http://files.bonairetaxi.net/uploads/1/3/1/4/131437593/dawidewubozop-kopokibexevabif-jageso.pdfIn PDF document text
- http://files.iamcarlageorge.com/uploads/1/3/2/7/132740838/7611606.pdfIn PDF document text
- http://files.thesoundingboardministry.com/uploads/1/3/0/7/130738911/zigidobisewa.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/1/0432/4923/8178/files/58455515514.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/5424/1694/files/tadidizosurugo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3110/9538/files/jinedidukomuwoxikideme.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0463/2998/files/wapiwulijowijedegejaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zukukujumifuxutage.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7768/7701/files/39737594402.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8984/4631/files/mekesowokuvirodi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8725/0087/files/83988783767.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4526/5318/files/jajajewe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1103/7589/files/wanovi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5559/5172/files/compound_complex_sentence_practice.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0709/0581/files/statistical_inference_v_k_rohatgi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0733/6857/files/33348984288.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0124/0992/files/4825374089.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_off000046b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x46B4 | 5496 bytes |
SHA-256: f11a41b8206b199cac1c0cc8869cc4f208ba12e7be2f2766994df4afe4c5eed0 |
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font_01_sfnt_off00005985.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5985 | 9384 bytes |
SHA-256: 2042f48501096a003581f35ddd3c05a3920de14137f5dffdce97b9bd86b3b031 |
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