MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many of which point to redirector infrastructure designed to obscure the final destination. The primary redirector URL, https://ttraff.com/pify?keyword=cambridge+pet+reading+comprehension+pdf, is identified as malicious. This suggests a phishing or scam attempt, likely using the guise of a free download to trick users into clicking the malicious link. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.
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.com/pify?keyword=cambridge+pet+reading+comprehension+pdf In PDF document text
- http://files.flowartspace.com/uploads/1/3/0/7/130775997/begepup.pdfIn PDF document text
- http://files.lestatwrestling.com/uploads/1/3/1/6/131607093/xugepobi.pdfIn PDF document text
- http://files.tautsaimnieks.online/uploads/1/3/1/3/131383247/1d00597b.pdfIn PDF document text
- http://tomoloj.farmacybotanical.com/uploads/1/3/1/4/131483337/juzamubaruvo.pdfIn PDF document text
- http://files.tyrendarraagriculturalshow.com.au/uploads/1/3/2/7/132711970/6e7e3d840aa5.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/1/0438/6825/8469/files/vitewobovixot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3966/1981/files/odisha_election_result_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8111/3506/files/envision_math_grade_2.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0428/7383/files/95989822725.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4460/0999/files/73572156780.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6163/3439/files/gegik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8539/7152/files/75510461216.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1548/8163/files/56570098141.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3815/4653/files/second_conditional_exercises_with_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6063/3504/files/24732016109.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4671/5040/files/anova_table_calculator.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1899/3307/files/bapareguridenimuraxof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2211/3173/files/tijekivusugovinekebefe.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_off00004cb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4CB5 | 5488 bytes |
SHA-256: ad23ccc8854a0e7971a38054e0166eb2e21773dde5bfa32e52129edaa7ab6839 |
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font_01_sfnt_off00005f2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F2D | 9660 bytes |
SHA-256: c346a3f5f718e5f7fdc792b2de5af7a85771c8176c36171b25239e3de424723b |
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font_02_sfnt_off00008041.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8041 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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