MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by a machine learning classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. It also exhibits characteristics of a PDF link farm, with numerous embedded URLs pointing to Shopify-hosted PDF files. The primary malicious URL identified is https://ttraff.ru/pify?keyword=ars+poetica+macleish+pdf, which likely serves as a gateway to further malicious content or phishing pages.
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.ru/pify?keyword=ars+poetica+macleish+pdf In PDF document text
- http://momiwoten.odysseyandabroad.com/uploads/1/3/1/4/131453723/58a525115.pdfIn PDF document text
- http://files.bmwenthusiast.ca/uploads/1/3/1/6/131606756/fejegunojive-zuzapaz-motakirokerovos.pdfIn PDF document text
- http://files.theceramicsartsstudio.com/uploads/1/3/2/6/132696104/nofawowil_mapusebafak_zusawajele.pdfIn PDF document text
- http://files.gimmethelodown.com/uploads/1/3/0/7/130738993/8dd6dd.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/1/0429/5809/4495/files/23097528876.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9448/1821/files/rifezigexisodoto.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7168/4256/files/bartlett_1932_war_of_the_ghosts_study.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8028/6372/files/fabemofage.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5466/0758/files/pidasivamoginevadi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0056/8736/files/aashto_lrfd_2020_espaol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/2084/9050/files/how_to_annotates_in_evernote.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7349/4430/files/berliner_platz_3_neu_testheft_mit_prfungsvorbereitung.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6193/6290/files/69514606689.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4528/2214/files/control_panel_wiring_guidelines_uk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/3753/7942/files/bob_credit_card_application_form.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_off00006857.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6857 | 5064 bytes |
SHA-256: 5f00589ec9a5944c9f7401249dde08bd90238799a19c22d58740fc8bb12f147e |
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font_01_sfnt_off00007986.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7986 | 10084 bytes |
SHA-256: 740226f3491249474ae7e86b02e5c7e6455ba4f82f7182980dce961cc9d17d2f |
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font_02_sfnt_off00009bc0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9BC0 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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