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 a redirector service (ttraff.com) that is flagged as malicious. The document body, though heavily obfuscated, contains a URL that appears to be part of a link farm designed to improve search engine ranking for malicious content. This suggests a phishing or scam attempt, likely using a lure of educational materials to trick users into visiting a malicious site.
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=homonyms+worksheets+for+grade+2+pdf In PDF document text
- http://files.nancypanko.com/uploads/1/3/0/7/130776735/0942f7f48cf56e.pdfIn PDF document text
- http://popubugil.massbuyinggroup.com/uploads/1/3/1/3/131380600/doridifulelefa_watufikav.pdfIn PDF document text
- http://files.australiantimberflooring.com/uploads/1/3/0/7/130775672/jinamozuzur.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/1/0427/4959/1718/files/33539291183.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4344/5141/files/zibepasilevafisututig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6108/3301/files/mifolosazamivelusig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5173/7498/files/sap_merchandising_and_assortment_planning.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4818/9603/files/blw_alimentao.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6302/4547/files/difference_between_anthropology_and_sociology.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8803/6505/files/bavewa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2588/2518/files/82591500813.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6240/9881/files/google_photos_api_android_example.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9469/5318/files/rikesowowokakube.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6139/5102/files/fatigolamoxejugib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1293/2255/files/daluxenopifa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3892/4181/files/47764709192.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6715/3313/files/abnormal_psychology_an_integrative_approach_8th_ed.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_off00005078.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5078 | 5516 bytes |
SHA-256: 715d0abe03cc02ff358ba6e87c920769575cbeb80a5541f476b8445d8e64478a |
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font_01_sfnt_off0000631b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x631B | 9760 bytes |
SHA-256: 449050097ad87b3fbf303366f270e012a53c94d296f485c2392eb55f4e19a6dd |
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font_02_sfnt_off00008476.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8476 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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