MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of embedded links, a technique often used for SEO poisoning or to direct users to malicious sites. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=eclipse+cdt++zip'. The document body, though heavily obfuscated, also contains this URL and numerous other links hosted on various domains, suggesting a link farm or redirection scheme. The primary attack pattern is to lure users into clicking these links, which likely lead to further malicious content or exploits.
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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SEO-redirector lure link (multi-word utm_term) low PDF_SEO_UTM_REDIRECTOR_LINKPDF contains a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the search-keyword gateway used by the 'free document download' phishing family. Surfaced as an IOC; on its own this is a low-confidence signal.
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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=eclipse+cdt++zip In PDF document text
- http://vedifa.machinesbygoldcrest.co.uk/uploads/1/3/0/8/130874642/tegiwevafem.pdfIn PDF document text
- http://files.peschketruckinginc.com/uploads/1/3/0/7/130775992/vijinajus_kolep.pdfIn PDF document text
- http://tatika.secondwind.org/uploads/1/3/1/0/131070722/wanosoli.pdfIn PDF document text
- http://files.westmountwildrugby.com/uploads/1/3/1/4/131407263/wobama.pdfIn PDF document text
- http://lawag.lonelymountainfilms.com/uploads/1/3/2/6/132695471/vetawaresik.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/1/0433/1785/4373/files/binary_search_tree_python.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7351/2359/files/33425614519.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6820/3942/files/94355294943.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3633/4501/files/nuwujipanokiwisuja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8699/3813/files/21946307383.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1987/5998/files/barking_up_the_wrong_tree_eric_barker.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6769/4501/files/91437592736.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2287/5797/files/beatboxing_tutorial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4550/3655/files/guitar_power_cord_chart.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8336/6551/files/free_autumn_word_search.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4921/3349/files/52471333030.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8851/9080/files/98207870960.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6633/6166/files/97723627096.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6797/4556/files/4463623185.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_off00006131.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6131 | 4340 bytes |
SHA-256: a8c46ceaf00ff3db9acd75ae073af8992ba2b2e4eb707cccc1e2bb5967be4663 |
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font_01_sfnt_off00006fff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FFF | 9852 bytes |
SHA-256: 79b044fb65e8fe20070f594aa5cbf0d649775a77bf800d6c145ae0496742c30e |
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font_02_sfnt_off000091cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x91CD | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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