MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm or SEO poisoning attempt. One critical heuristic firing indicates a link to known malicious redirector infrastructure at 'ttraff.com'. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool often used to create malicious PDFs. No scripts were extracted from this sample.
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=iceberg%20concept%20of%20culture%20pdf In PDF document text
- http://files.warehousedistillery.com/uploads/1/3/1/4/131438180/takosojivapote.pdfIn PDF document text
- http://files.wrightys-warships.com/uploads/1/3/0/9/130969522/fobolagolizi-xofowoxutuw.pdfIn PDF document text
- http://files.tyronegloverfoundation.net/uploads/1/3/1/4/131407530/a741f.pdfIn PDF document text
- http://files.scdvinfo.org/uploads/1/3/0/7/130739028/fd3c9.pdfIn PDF document text
- http://files.davidgillaspie.com/uploads/1/3/0/8/130813461/biwimadikekakiw_gemalabodezug_dajemezezut.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://supuxobamib.files.wordpress.com/2020/07/ginibufeserawek.pdfIn PDF document text
- https://gigatamed.files.wordpress.com/2020/06/wexub.pdfIn PDF document text
- https://zomazezifa.files.wordpress.com/2020/06/bomubujikamuxotajubuv.pdfIn PDF document text
- https://mazuzunukaz.files.wordpress.com/2020/07/sizulolato.pdfIn PDF document text
- https://bisapabuwu.files.wordpress.com/2020/07/84178850164.pdfIn PDF document text
- https://fubizukolu.files.wordpress.com/2020/06/zadiburap.pdfIn PDF document text
- https://fetuwuzofu.files.wordpress.com/2020/06/rufukegiz.pdfIn PDF document text
- https://belerodis.files.wordpress.com/2020/07/11530220754.pdfIn PDF document text
- https://zapokowivuz.files.wordpress.com/2020/06/jewemokijal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8945/3473/files/wuxagej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2417/7576/files/munemedamesibozi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7927/0549/files/40451312227.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lutekalejore.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1506/1153/files/bivuzami.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7731/2411/files/4525762842.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0360/8216/files/towigafofoxevezomigivipix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4296/3613/files/kidobew.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_off000071c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71C7 | 4848 bytes |
SHA-256: 238add0c5af7dfc405bc9a88b990c4d68e784bf16eaa07130131ff3cedbc00be |
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font_01_sfnt_off0000823e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x823E | 10160 bytes |
SHA-256: 79d26482343503b0aa3d9f76dde1482de31587129698b4b2489bdbfad288efe4 |
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