MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external resources, masquerading as a "math teacher s guide grade 8 pdf". A critical heuristic identified these links pointing to known malicious redirector infrastructure, specifically `https://ttraff.cc/pify?keyword=math+teacher+s+guide+grade+8+pdf`. This suggests the document is part of a link farm designed to redirect users to malicious content, likely for phishing or malware distribution.
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=math+teacher+s+guide+grade+8+pdf In PDF document text
- http://files.nlfarchitect.com/uploads/1/3/0/8/130814298/xelovowobutijutodod.pdfIn PDF document text
- http://files.bonairetaxi.net/uploads/1/3/1/4/131406258/gifokokowero.pdfIn PDF document text
- http://files.lucerneinternationalfilmfestival.com/uploads/1/3/0/7/130738806/misapamefikaga-wilimegepab.pdfIn PDF document text
- http://geromegij.learningbeginsnl.com/uploads/1/3/0/7/130775274/1d7d190d.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/1/0432/4848/4507/files/48145523795.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3672/8726/files/vemuxumux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9632/4758/files/41944681123.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/8791/7209/files/athlean_x_xero_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9966/9151/files/caracteristicas_psicologicas_del_adulto.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7244/6873/files/favodobuletod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7576/3353/files/java_web_services_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/0499/7271/files/honeywell_programmable_thermostat_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5543/0302/files/sixunomaxijajig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9544/0040/files/15083459629.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2400/6823/files/25354214205.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0881/0398/files/18321640216.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/15843942414.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_off0000782a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x782A | 5584 bytes |
SHA-256: 1e22795d04200b395fc073d33458b4fcb682219d226e218350451af662cf0735 |
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font_01_sfnt_off00008b29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B29 | 10052 bytes |
SHA-256: b30315974c117438f413b13b51db97cbd9cfc23cff8df446673728e03184d951 |
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