MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document contains a large number of embedded links, many pointing to Shopify domains, but one critical link redirects to a known malicious domain, ttraff.ru. The document body, though obfuscated, contains the same URL, suggesting a lure for users to click on a "character quiz pdf". The ML classifier strongly indicates maliciousness, and the PDF structure is consistent with link-farming or redirection abuse.
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=character+quiz+pdf In PDF document text
- http://files.bravenewshakespeare.org/uploads/1/3/1/6/131606094/7924191.pdfIn PDF document text
- http://files.valleygraceevents.net/uploads/1/3/0/9/130969505/siwavetizov.pdfIn PDF document text
- http://vefukaf.tipifarfelu.com/uploads/1/3/1/1/131164250/2304768.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/1/0427/9199/3500/files/10589714537.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1509/2894/files/navpers_1616_26.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/84770620138.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8044/1238/files/fajojivuromowezux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8233/3856/files/bakery_business_model.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3910/4930/files/53972834741.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9020/6115/files/90274970532.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6031/3768/files/8295150293.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4136/6951/files/deborah_r._nelson-_mathers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9915/1768/files/samples_of_formal_letter.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7310/9152/files/catan_game_rules.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4837/8274/files/calendario_agosto_2020_para_imprimir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9950/3257/files/poisson_probability_distribution_examples.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0364/0999/files/tunilubone.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7922/1927/files/lakufixejakadowerala.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_off0000589a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x589A | 4900 bytes |
SHA-256: 2fc531ac4ffe08627cff7a32a62c82cb9b8c07cd27e45cda82d5bfdb27d208e7 |
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font_01_sfnt_off00006960.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6960 | 10412 bytes |
SHA-256: 34cd2e63a61e9f4848493a99ace5ff896c95c9b0b9e1d277ed328b5e15551ddf |
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font_02_sfnt_off00008cf3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8CF3 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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