MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, identified as a PDF link farm. One critical heuristic indicates a malicious redirector link to 'https://ttraff.club/wix?keyword=non+proportional+graphs+worksheet'. The ML classifier also strongly flagged this PDF as malicious. The presence of numerous external links suggests a campaign to drive traffic to malicious sites, potentially for phishing or SEO poisoning.
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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.club/wix?keyword=non+proportional+graphs+worksheet In PDF document text
- http://mazaw.forceofnaturehandhewnconstruction.ca/uploads/1/3/0/8/130874617/bukubu_barufemufa.pdfIn PDF document text
- http://files.propcustomz.com/uploads/1/3/1/4/131406275/8ce7138b17.pdfIn PDF document text
- http://nupewefu.isadaddy.com/uploads/1/3/2/6/132681885/6633640.pdfIn PDF document text
- http://dewivazuv.rogueartisanfoods.com/uploads/1/3/1/3/131397983/1788813.pdfIn PDF document text
- http://files.myswimplatform.com/uploads/1/3/1/4/131453917/34881e57a.pdfIn PDF document text
- http://files.joshuaduncanartist.com/uploads/1/3/2/7/132740700/e00ada7.pdfIn PDF document text
- http://jazovu.freedomk9s.com/uploads/1/3/2/6/132695818/jozigalugegepox.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/1/0430/1747/0101/files/menunutuked.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1411/1903/files/71799200453.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0549/9803/files/84329445474.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9623/5415/files/le_journal_el_watan_d_aujourd_hui.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4789/2630/files/wetigaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0465/2302/3518/files/valutulesariv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4206/3004/files/killer_karl_krupp.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4414/1218/files/beautiful_disaster_series_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7292/8409/files/cateye_velo_wireless_cc-_vt235w_manual.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_off000054ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x54EE | 5204 bytes |
SHA-256: 7b5f1954391dc7eb85bd3561345448c4bcef041b017a805326734e9afff8cc07 |
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font_01_sfnt_off000066b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66B4 | 10376 bytes |
SHA-256: 0e34d3f52240b468786b6b7c95b679e33a4babf015b358d24bae930c40b916ee |
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