MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure. The document body, though obfuscated, includes the URL 'https://ttraff.ru/pify?keyword=evaluation+transformation+physique+et+chimique+5eme', which is also flagged as malicious. The presence of numerous other PDF links, many pointing to unknown domains, suggests a link farm designed to obscure the ultimate destination and potentially distribute further malicious content.
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=evaluation+transformation+physique+et+chimique+5eme In PDF document text
- http://memapa.nelsonendeavorsllc.com/uploads/1/3/1/3/131380005/699938f79a2a2ce.pdfIn PDF document text
- http://files.stepsinbiology.com/uploads/1/3/0/8/130874475/livefufexe-nuteperego.pdfIn PDF document text
- http://files.judithviskerart.com/uploads/1/3/0/7/130739021/b1c60ebf8a7319e.pdfIn PDF document text
- http://files.emeraldmanagers.com/uploads/1/3/1/4/131408024/vimadixal.pdfIn PDF document text
- http://kipakik.citysunholdings.com/uploads/1/3/0/7/130776855/3173d7e7d3.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/1/0434/4777/9478/files/5697034045.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/1242/7674/files/google_classroom_for_parents.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5685/5190/files/berserk_manga_mega.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1918/1985/files/49486816333.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9010/8833/files/puketopinaduwipoxizet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2897/1681/files/pewijesimo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8117/9037/files/23207134664.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3191/0821/files/windows_10_linux_subsystem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6793/0789/files/applied_mathematics_for_business_economics_and_the_social_sciences.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0000/3749/files/zogafi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5856/8097/files/3961198086.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9437/4555/files/business_english_textbook.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/8861538602.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_off00008573.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8573 | 5508 bytes |
SHA-256: d2e96aa9d2fb4583cbbde9c3a246d06d1ea675c3b7f03a2f2607f183a678cf86 |
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font_01_sfnt_off00009816.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9816 | 10316 bytes |
SHA-256: 35135a1816fa5b9310fc4d0dc4fb22609a16d37ec048de55698a8232a6efa5c4 |
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font_02_sfnt_off0000bb3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB3F | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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