MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links, including one to a known malicious redirector at `ttraff.ru`. This suggests the document's primary purpose is to redirect users to malicious infrastructure. The presence of a link farm heuristic further supports this, indicating an attempt to distribute malicious content through a large number of external links. The ML classifier also strongly flagged this PDF as malicious.
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/wb?keyword=present%20perfect%20active%20passive%20pdf In PDF document text
- http://files.garrettparknurseryschool.org/uploads/1/3/1/4/131406202/9a87a8.pdfIn PDF document text
- http://files.rememberwhenphotos.org/uploads/1/3/1/3/131384638/soroso.pdfIn PDF document text
- http://files.iwstreecare.com/uploads/1/3/2/7/132740479/wogupu-zukokitoruwogog-zikezugufada-pubuzesilas.pdfIn PDF document text
- http://files.skywaterlabradors.com/uploads/1/3/1/3/131384113/8950631.pdfIn PDF document text
- http://www.opentle.orgIn 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/1/0429/2093/5590/files/76691548939.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9120/5021/files/85017452110.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2525/0974/files/black_body_radiation_experiment.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7749/3146/files/xakopit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4742/9031/files/33531210208.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7002/8966/files/lagavifelurufirilipitekas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2440/7961/files/vovijadibesekuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/marifurozijuzaledenikegi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6955/4329/files/54717485972.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7813/0593/files/zubavevove.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9212/2527/files/44674374587.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://www.gnu.org/licenses/gpl.htmlIn 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 |
|---|---|---|---|
stream_005_off00007537.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x7537 | 11752 bytes |
SHA-256: 182e09dbfee8b62b10cc1e412c07dc218fdc5a55aaa1875d323c9d1d4c31749c |
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font_00_sfnt_off000064bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64BD | 4856 bytes |
SHA-256: 18d5f0343da2cff23d4b84f35eed29d5d8bfb722e5fe24450c5fe71170c83778 |
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font_02_sfnt_off0000965f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x965F | 13876 bytes |
SHA-256: 057c0f5cbac188d92ab61d0714b5bbf60e34668393fdd11db8e50c165a7ff0c1 |
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font_03_sfnt_off0000c1e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1E9 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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