MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many pointing to external PDF files hosted on various domains. One of these links, 'https://ttraff.ru/pify?keyword=abc+anglais+pdf', is identified as a malicious redirector. The ML classifier also strongly indicated maliciousness. This suggests the document is part of a link farm or SEO poisoning campaign designed to redirect users to malicious sites.
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.ru/pify?keyword=abc+anglais+pdf In PDF document text
- http://files.citizensforenvironmentalstewardship.org/uploads/1/3/0/7/130739415/dedunigoxajim.pdfIn PDF document text
- http://files.mccoyandmcnaughtonholdings.com/uploads/1/3/1/6/131636725/4cb72db.pdfIn PDF document text
- http://mugogoj.innovationtoursgreece.com/uploads/1/3/1/4/131453194/ddde66880f.pdfIn PDF document text
- http://files.3dbikefit.com/uploads/1/3/0/7/130775174/rowez_sosidisosor_vawegipoguvifor_ludazekeforosiw.pdfIn PDF document text
- http://doketi.andcreation.ch/uploads/1/3/1/4/131407995/nipiletaze-kojitu-fafitalavijuw-gigojazet.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/1/0452/9078/2881/files/diccionario_biblico_ilustrado_holman.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3765/4178/files/nujijevaporodav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8996/1884/files/35941514430.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7684/5728/files/ultrasound_diathermy.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5331/8306/files/le_bilinguisme_au_cameroun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2565/2117/files/word_smart_2.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3332/7776/files/zonerotifujazupomerokeben.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0016/8597/files/danavuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4122/5880/files/pagokubefuvu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3059/4204/files/kofukefo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0489/5143/files/64744072695.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5356/2526/files/nesetexexapilejoxenifu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9112/2584/files/bivufunizekamopalak.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_off000063c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63C7 | 5356 bytes |
SHA-256: fb47f5abdd35d0d8d5ca47fd8a2ea9ce28166a92b364ef2bce9563459d1cb01b |
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font_01_sfnt_off00007613.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7613 | 15044 bytes |
SHA-256: d916251fe9068e28bc7b58c8c5531809e990a012922fa1a659cebffe200b6251 |
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