MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a link to a known malicious redirector, ttraff.ru, which is disguised as an admission form. The document also features a link farm pointing to numerous PDFs hosted on Shopify, with one specific PDF being identified as a potential lure. The presence of these links and the 'urgency lure' heuristic suggest a phishing or redirection attempt to deliver further malicious content.
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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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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=mscit+admission+form+2020+pdf In PDF document text
- http://lopekuvu.sandieboxerkennel.com/uploads/1/3/0/7/130775403/7735145.pdfIn PDF document text
- http://jamur.tahoesacredvows.com/uploads/1/3/1/6/131637419/5642726.pdfIn PDF document text
- http://files.freshkratom.org/uploads/1/3/0/7/130775970/6102307.pdfIn PDF document text
- http://files.lilgothlivepicture.com/uploads/1/3/1/3/131383837/8ae3eceba721f.pdfIn PDF document text
- http://files.arkansaspastelsociety.com/uploads/1/3/1/4/131411474/4272817.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/1/0432/4104/6171/files/nolukexirapesajonotamuxe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3337/0529/files/65698775120.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2259/7800/files/83879009917.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4417/5013/files/64939114949.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/7163/3563/files/sades_sa_902_driver.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7381/4182/files/pevojo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8180/1629/files/24732450052.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4225/8587/files/fosovizedipukojarolupito.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2716/1507/files/sejogusupevixon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5201/4495/files/lupepeduvusowixotenanej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7742/5557/files/adobe_pro_free_download_for_windows_7.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5864/1573/files/29175844760.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_off00008040.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8040 | 5548 bytes |
SHA-256: 4456fa5633f6d93c0bb4b9b11e185161cbce1fc669c64afee98598273cdf87b6 |
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font_01_sfnt_off00009302.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9302 | 9952 bytes |
SHA-256: d330c48cc279c0b90636e308ffa9bd54dc433b6e77f37c9179f017c5822a8747 |
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