MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, identified as a link farm, with one critical heuristic flagging a redirector link to 'ttraff.com'. The document body, though heavily obfuscated, suggests a lure related to a 'Tp link tl-wr841n manual'. This indicates a social engineering tactic to drive users to malicious infrastructure.
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=tp%20link%20tl-wr841n%20manual In PDF document text
- http://files.awonderland.co.uk/uploads/1/3/1/4/131453387/97c8becc1beda.pdfIn PDF document text
- http://files.shakerrentals.com/uploads/1/3/2/8/132815752/jabiratijoso-zamedo.pdfIn PDF document text
- http://files.mi-sheffield.com/uploads/1/3/1/6/131606368/niludavifek_rerodotite.pdfIn PDF document text
- http://files.planet-patrick.com/uploads/1/3/2/6/132681773/26f3c.pdfIn PDF document text
- http://files.fairyringschool.org/uploads/1/3/1/6/131637307/352159.pdfIn PDF document text
- http://files.alwayshelpful.org/uploads/1/3/2/6/132695546/lexarasunepewuwap.pdfIn PDF document text
- http://files.st-abbs-market.com/uploads/1/3/1/3/131398598/tesinarewas.pdfIn PDF document text
- http://files.heartwoodprayerwheels.com/uploads/1/3/0/7/130739128/gojopiki.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://pisurika.files.wordpress.com/2020/06/jaxezu.pdfIn PDF document text
- https://kemamutapewi.files.wordpress.com/2020/07/tafid.pdfIn PDF document text
- https://nufawuledoke61680970.files.wordpress.com/2020/07/74282586230.pdfIn PDF document text
- https://zipojuroxob.files.wordpress.com/2020/07/nivarolusilijuvajisut.pdfIn PDF document text
- https://widezafo.files.wordpress.com/2020/06/43704286325.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0910/6335/files/revitawepiwutaja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5425/1670/files/sijekobenesitebaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7315/8806/files/18412136838.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6080/5280/files/3963090283.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3816/3623/files/53258344379.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mirizopenifipometetotagoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9492/4694/files/51978400243.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1221/1359/files/digosagur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5114/7676/files/91372203841.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_off0000775c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x775C | 4912 bytes |
SHA-256: 7deec4e08dd3bf62cfae981970fb0425afe5f8b160f8bdf2eac7a696b7b91026 |
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font_01_sfnt_off00008801.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8801 | 10372 bytes |
SHA-256: 2bc4a461dc126655ba7773f0e0acb8c74e22cdfc7bf15f0c5ce3c95cff6fd30b |
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