MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'birthing from within pdf free' and metadata indicating it was generated by wkhtmltopdf, suggesting a potential SEO poisoning or phishing lure. The presence of numerous external PDF links further supports the SEO poisoning hypothesis.
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.com/wb?keyword=birthing%20from%20within%20pdf%20free In PDF document text
- http://files.wakeforestfarmersmarket.com/uploads/1/3/1/4/131411600/1787495.pdfIn PDF document text
- http://files.childrenssunflowerhouse.com/uploads/1/3/0/7/130775751/bupek-suwunexadiro-joraf.pdfIn PDF document text
- http://files.ololhednesford.org/uploads/1/3/0/8/130814868/golepajifibinud_fexonamevuwiw_nugidanadud.pdfIn PDF document text
- http://files.thegreatlife.com.au/uploads/1/3/1/3/131384101/68f1aed75c9c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://gigeseberi.files.wordpress.com/2020/06/6359881806.pdfIn PDF document text
- https://miwexelak.files.wordpress.com/2020/07/87602274793.pdfIn PDF document text
- https://somotug.files.wordpress.com/2020/06/wuzag.pdfIn PDF document text
- https://nezatupivet.files.wordpress.com/2020/07/18510738975.pdfIn PDF document text
- https://piboberedaz.files.wordpress.com/2020/06/50672480177.pdfIn PDF document text
- https://dopiximodo.files.wordpress.com/2020/07/94043226224.pdfIn PDF document text
- https://felaweve.files.wordpress.com/2020/06/48450662087.pdfIn PDF document text
- https://kibazuson.files.wordpress.com/2020/07/52069483901.pdfIn PDF document text
- https://gamekupori.files.wordpress.com/2020/06/sefirafa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9040/3737/files/14485598511.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/2283550224.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6844/8152/files/luvinafiwuduxozipadumi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0804/0853/files/89159814129.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/sakemiribukewud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6258/2693/files/45018987535.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9649/0655/files/ripuberaxefixaw.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_off00009841.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9841 | 4964 bytes |
SHA-256: e5e45337ea8a6d59e9445df04db1ea01a8978e9a3df8abed64f5adfc570fc8fa |
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font_01_sfnt_off0000a90a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA90A | 10336 bytes |
SHA-256: de7b5c80f71d18f6a563f0ed4defe3462b472c44b0c8cb3e153ddf6020703b99 |
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