MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external resources, many of which are part of a link farm designed to appear as legitimate downloads. One critical heuristic identified a link to known malicious redirector infrastructure, specifically 'https://ttraff.cc/pify?keyword=english+speaking+skills+books+pdf'. This suggests the document is a lure for phishing or malware distribution, likely using a social engineering pretext to trick users into clicking the malicious link.
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.cc/pify?keyword=english+speaking+skills+books+pdf In PDF document text
- http://files.cparg.ca/uploads/1/3/1/4/131438464/1505426.pdfIn PDF document text
- http://files.bodykarmadenver.com/uploads/1/3/2/6/132680813/b6f44e2bd1.pdfIn PDF document text
- http://files.rollingthunderky5.org/uploads/1/3/0/8/130813054/tajovadejupusiz.pdfIn PDF document text
- http://files.zaiaboutique.com/uploads/1/3/0/8/130813694/863a310808.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/1/0434/2025/4375/files/dirofitum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0041/3856/files/sizatiwejeverixo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2102/3904/files/aprender_gramatica_espaol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0252/7895/files/causes_of_the_american_revolution.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6827/7415/files/vologagekiluli.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6869/4432/files/62454611738.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5385/9494/files/wukong_jg_s6.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/2405/1358/files/rope_rescue_manuals.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7826/2689/files/xalomasi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3469/8147/files/40316814178.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9575/1842/files/62004300942.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3051/8682/files/safasoxirikiko.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_off00008016.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8016 | 5368 bytes |
SHA-256: 53bd268c54c2036c1a143fce6a8df19aa9a810404e6f8cb4f9788048fd0e2a92 |
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font_01_sfnt_off00009252.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9252 | 3484 bytes |
SHA-256: be2e3595ff4efc4ae89d0d533636aeb5852c9803a6a4740b0821b40a29a9485d |
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font_02_sfnt_off00009fa1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9FA1 | 10212 bytes |
SHA-256: c52dea131587cbac0ddecb8d30e90dab4b3f4ba1ea5c799793a4dcc32dbc0019 |
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