MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, which is also present in the document body. This link, 'https://ttraff.ru/pify?keyword=development+economics+debraj+ray+pdf+download', is designed to trick users into downloading a file by appearing to offer a legitimate resource. The PDF also hosts a large number of external links, many pointing to Shopify domains, suggesting a link farm or SEO poisoning tactic to improve search engine visibility for malicious content. The ML classifier strongly indicates maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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=development+economics+debraj+ray+pdf+download In PDF document text
- http://files.gracecommunitychurchchesapeake.com/uploads/1/3/1/1/131164440/vokijopikalenixofevo.pdfIn PDF document text
- http://files.sikkimdiscovery.com/uploads/1/3/1/3/131384468/4892416.pdfIn PDF document text
- http://files.thefashionanalyst.com/uploads/1/3/1/3/131383624/wezunawe.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/1/0432/7745/1428/files/the_houston_620.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2287/5797/files/33347334676.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4423/9510/files/bowiwapurevebig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8350/5570/files/770_560-_2950.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3480/4375/files/jokiwexavimazud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1863/9765/files/princes_of_the_apocalypse_full_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4191/5042/files/create_watermark_on_document.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6612/9574/files/python_instantiate_class.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6143/5813/files/82701438865.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2619/4336/files/25352425374.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9903/7595/files/46672599024.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/test_1879eb6a-339e-4d45-a409-571cd94a4742.pdf?v=1594212285In PDF document text
- https://cdn.shopify.com/s/files/1/0431/1243/1776/files/66513292259.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2880/6806/files/11420918286.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0979/4463/files/20367389799.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_off0000688e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x688E | 5772 bytes |
SHA-256: 4367ec9da0521f91d34e680aa01f035933e983578150cf4cb025737d050975d5 |
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font_01_sfnt_off00007c40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C40 | 10908 bytes |
SHA-256: 1e933486f53034e6bd4c5e2623cb3946336f680a695c31a19d27b42450a8c6ef |
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