MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to SEO-optimized PDF farms, designed to redirect users to malicious content. The primary redirector URL, 'https://ttraff.com/pify?keyword=merriam+webster+rhyming+dictionary+pdf', suggests a phishing lure disguised as a search result for a rhyming dictionary. The ML classifier strongly indicates maliciousness, and the presence of multiple PDF links points towards a campaign distributing further malicious documents.
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.com/pify?keyword=merriam+webster+rhyming+dictionary+pdf In PDF document text
- http://files.centralflhomeeducationservices.com/uploads/1/3/0/7/130776460/dapefuwis.pdfIn PDF document text
- http://files.spacentral.net/uploads/1/3/1/0/131070192/jezolix.pdfIn PDF document text
- http://nowusoro.redclayphotography.org/uploads/1/3/0/7/130776167/aa5d4e5beab0c28.pdfIn PDF document text
- http://pomor.missionhilldental.ca/uploads/1/3/0/7/130775934/tudoxamiteloze.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/1/0436/5837/9417/files/the_carries_diaries_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9236/9823/files/a_story_in_english.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6953/7432/files/rujevefidudojulategazipo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2756/0610/files/49219267655.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8062/1984/files/gelativipijakumep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3994/7932/files/paramount_bank_po_books.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4926/0968/files/x11_connection_rejected_because_of_wrong_authentication.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3190/3902/files/kp_astrology_books.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9714/4990/files/pubiw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0118/2370/files/k_ril_tsutsaroth_osrs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4474/8950/files/vibew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7419/0498/files/chaffoteaux_inoa_25_ff.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/0656/2201/files/sorcerer_s_apprentice_bassoon.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_off00004a19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4A19 | 5876 bytes |
SHA-256: ae5f1a5f5edbfbb7a2a972e2778e5cb9b7001359e4cbbeb9a3f7e5ed523e4d06 |
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font_01_sfnt_off00005e13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E13 | 9996 bytes |
SHA-256: ace28d1a27954b88f6835705cd24a20985e31486df00d00261de2dffc903f549 |
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