MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links pointing to external PDF files, a technique often used for SEO poisoning or to redirect users to malicious sites. One critical heuristic identified a link to a known malicious redirector infrastructure. The document body contains garbled text, suggesting it is not intended for direct user consumption but rather as a vehicle for the embedded links.
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/pify?keyword=manuale+digitale+clasa+5+engleza+booklet In PDF document text
- http://files.thebackpew.com/uploads/1/3/2/3/132302833/7205142.pdfIn PDF document text
- http://files.eastbayayurveda.com/uploads/1/3/0/9/130969184/paxubigamupaw-topej-difukubenaje-ledosomo.pdfIn PDF document text
- http://files.nt-drisc.org/uploads/1/3/1/3/131382395/e74e9848f.pdfIn PDF document text
- http://files.freshrescue.com/uploads/1/3/1/3/131398357/2325814.pdfIn PDF document text
- http://files.4livesports.com/uploads/1/3/0/7/130739142/7c7ccbeda.pdfIn PDF document text
- http://files.akbarilab.org/uploads/1/3/1/8/131871602/f2da84e6.pdfIn PDF document text
- http://files.liquidsunshinedesigns.net/uploads/1/3/1/6/131606644/6427307.pdfIn PDF document text
- http://files.staychicmom.com/uploads/1/3/2/7/132710638/2448597.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://pafinomoj.files.wordpress.com/2020/06/96441526809.pdfIn PDF document text
- https://subofineze.files.wordpress.com/2020/07/zananunoso.pdfIn PDF document text
- https://zunepajavu.files.wordpress.com/2020/07/lisole.pdfIn PDF document text
- https://zomazezifa.files.wordpress.com/2020/07/28937138867.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4872/2851/files/lelifipizi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5608/6696/files/6858676259.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2739/8807/files/17552722253.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8849/4236/files/91883088977.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3321/5644/files/22035498500.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0722/1658/files/vitofofewi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8118/8003/files/xamopokaxoxexogipuki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/56070096689.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6396/7906/files/83691573258.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_off00007b0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B0C | 5276 bytes |
SHA-256: d981b8095ee44e3898a948bd1bf0a8abe299b5f49fb7102db5ba46df1aee18f5 |
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font_01_sfnt_off00008d17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D17 | 11168 bytes |
SHA-256: d0a64cf7dd59f10b49fcedd85766c84fd3d90e583039b81b18aa9aa4adc8b02a |
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