MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a machine learning classifier and contains a critical heuristic firing for a malicious redirector link. The document body and embedded artifacts suggest it is a PDF document, and the heuristics indicate it functions as a link farm, likely to redirect users to malicious content. The primary malicious IOC is the redirector URL found in the document.
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=adosphere+cahier+d+activit%25C3%25A9s+pdf In PDF document text
- http://files.nativesouthwestsilver.com/uploads/1/3/1/4/131407164/6020418.pdfIn PDF document text
- http://files.andreakantrowitz.com/uploads/1/3/1/4/131438761/4f855430.pdfIn PDF document text
- http://dexofonag.m.transformationlifecoaching.net/uploads/1/3/2/6/132681394/wufazero.pdfIn PDF document text
- http://files.juliekgrayphotography.com/uploads/1/3/0/9/130969717/cb28d5375eaa43f.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/1/0429/6422/2101/files/kavafinuvesipizini.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8991/2218/files/ginoxidiweb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6728/4383/files/8572536903.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5131/0488/files/kenmore_700_series_dryer_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4630/4933/files/zenugakenaji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/1587610690.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2775/9257/files/wulaboxem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4772/1882/files/jesib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0512/4516/files/97338568660.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6130/4744/files/63668132229.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3716/9576/files/11309100609.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6780/1749/files/88569688903.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/6117/8521/files/2016_nissan_rogue_owners_manual.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_off00005608.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5608 | 5084 bytes |
SHA-256: 1c73105eba6e39e6649af15f9dcef18d3584efe97d73a89bfd861a237c9f3c4a |
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font_01_sfnt_off0000672d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x672D | 12116 bytes |
SHA-256: fdce4c900067be9d7009bd011b95b36bee2b15eaa1e340021cc67cf0aadbddcd |
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font_02_sfnt_off00008dc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8DC8 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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