MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple embedded links, with one critical heuristic firing indicating it redirects to known malicious infrastructure. The document body, though heavily obfuscated, appears to be a lure related to 'Jacob grimm teutonic mythology pdf' and was generated by wkhtmltopdf, suggesting a phishing or scam attempt. The presence of numerous links to external PDFs, many hosted on WordPress, further supports a link farm or SEO manipulation tactic 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.com/wb?keyword=jacob%20grimm%20teutonic%20mythology%20pdf In PDF document text
- http://files.kmccreations.com.au/uploads/1/3/1/4/131453724/817ad733.pdfIn PDF document text
- http://files.glencoeflorist.co.uk/uploads/1/3/1/8/131856276/nigijulozivedup.pdfIn PDF document text
- http://files.markmirabello.com/uploads/1/3/1/6/131636772/buxafirulipusu.pdfIn PDF document text
- http://files.versatile.pub/uploads/1/3/0/7/130775001/0e676d.pdfIn PDF document text
- http://files.davisranchi.com/uploads/1/3/1/3/131380870/potipiw.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://megaxosu.files.wordpress.com/2020/06/wekavadavedagiz.pdfIn PDF document text
- https://tamufewa.files.wordpress.com/2020/07/wutonujoba.pdfIn PDF document text
- https://nuluxanetud669327104.files.wordpress.com/2020/07/41228547822.pdfIn PDF document text
- https://mewalijovil.files.wordpress.com/2020/06/busevojirimesagomu.pdfIn PDF document text
- https://vogupiboje.files.wordpress.com/2020/06/97221209829.pdfIn PDF document text
- https://wetejog.files.wordpress.com/2020/07/21326896829.pdfIn PDF document text
- https://lewarakorin.files.wordpress.com/2020/06/pubabizevesibojotu.pdfIn PDF document text
- https://jikaxeludaja.files.wordpress.com/2020/07/lexolawozo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4141/4552/files/78819802283.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4008/0021/files/wikoxejed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1218/5494/files/legugadivitupikogijibo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0935/1578/files/14463815547.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9018/2304/files/33578183890.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5900/4070/files/voduranujarunevulabinutu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9565/4554/files/66275391960.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32878299647.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5161/3336/files/konagopikazowune.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_off00008234.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8234 | 5504 bytes |
SHA-256: 97ae2981923385fd799062e1d2c74e52710af169401f2da91acb4cdb15791cb1 |
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font_01_sfnt_off000094b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x94B6 | 10904 bytes |
SHA-256: 8cdc715a9a6a08a200a3e06b561f2c1ddbc05b134090b1c9507aa11f29b775bf |
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