MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains numerous links to external PDF files, masquerading as a legitimate download. The primary link, https://ttraff.cc/pify?keyword=langman+s+medical+embryology+13+pdf, is identified as a malicious redirector, indicating a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains this malicious URL and other links to PDF files hosted on Shopify and other domains, suggesting a link farm or SEO poisoning tactic to lure victims. No scripts were extracted, but the presence of malicious redirectors and the link farm structure strongly suggest a phishing or malware delivery scheme.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.cc/pify?keyword=langman+s+medical+embryology+13+pdf In PDF document text
- http://files.jameshuntermusic.com/uploads/1/3/1/0/131070526/sevaziwedonebela.pdfIn PDF document text
- http://files.mountainspiritswellness.com/uploads/1/3/1/0/131069906/sozakukowux-kinotowikik.pdfIn PDF document text
- http://files.cedarridgeupnorth.com/uploads/1/3/1/8/131871390/802040c946.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/1/0436/8941/0713/files/zuvifaxudemesixugosaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6499/9590/files/bronnie_ware_libro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9805/3535/files/xelojeleku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/6746/2047/files/financial_accounting_ratios.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6754/7552/files/15050984977.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1961/4884/files/76060164287.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3594/1274/files/mifolebi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0519/0041/files/the_iliad_with_line_numbers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5595/5619/files/midewupisodafepe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2342/3912/files/17159995581.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6913/6284/files/womoxepa.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_off00005f4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F4B | 5876 bytes |
SHA-256: d0c4f2678af593dcc770e306ab46a69c493efbe52ff11d59d3691c4b18af27b9 |
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font_01_sfnt_off00007346.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7346 | 14240 bytes |
SHA-256: 3a3deca9a048438ad346e9b7184c01dc3c11abde1964886050fe291a6ca33c20 |
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