MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged by multiple critical heuristics indicating malicious redirector links and a link farm. The ML classifier also assigned a high probability of maliciousness. The document body contains numerous embedded URLs, including a primary malicious redirector at 'https://ttraff.ru/pify?keyword=baseband+6630+ericsson+pdf', which likely serves as the initial lure. The presence of a large number of external PDF links suggests a coordinated effort to distribute 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=baseband+6630+ericsson+pdf In PDF document text
- http://rurab.erikahope.com/uploads/1/3/0/7/130775734/vijomapuzo-warad.pdfIn PDF document text
- http://files.ezs.nl/uploads/1/3/1/3/131380337/xajejavetifexo.pdfIn PDF document text
- http://files.goodpointmedicine.com/uploads/1/3/2/3/132302970/18b2aee182.pdfIn PDF document text
- http://pemebako.unterwolfen.com/uploads/1/3/1/4/131407089/638694de39c.pdfIn PDF document text
- http://files.clancyassociates.com/uploads/1/3/0/8/130813768/1655723.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/1/0436/9488/2984/files/zotominelerota.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8073/6151/files/83486518125.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6022/3382/files/fowunegej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2679/2100/files/7532829033.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1769/9477/files/leruwuxoropibobodusatif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1193/8216/files/gosilapewanaxifuva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/magobusiriwolozun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0050/4217/files/retirement_party_flyer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1709/1744/files/67163921521.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5283/4711/files/41717806829.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6182/0054/files/mesorudorajopukitutemi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lafiku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5459/5224/files/fazifofurorod.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005b0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B0E | 3160 bytes |
SHA-256: 17133caac6fddc44f8415e30de47b511b7011a725e5315b265bf90ba1f59c853 |
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font_01_sfnt_off0000665a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x665A | 5476 bytes |
SHA-256: 3b33a154e3dc766227a2739b46b1c33d387d37fe9a14b44c852259abf5bf5a45 |
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font_02_sfnt_off000078da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78DA | 15260 bytes |
SHA-256: 37482b9941b1429f2ed46ffe5a505ef235dc9f92d40db0adf92cf6b6144e236e |
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font_03_sfnt_off0000a7c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA7C0 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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