MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, identified as a link farm. One of these links, 'https://ttraff.com/wb?keyword=apertura%20ad8%20manual', points to a known malicious redirector. The document body, though heavily obfuscated, contains references to 'Apertura ad8 manual' and the tool 'wkhtmltopdf', suggesting a lure to disguise the malicious link farm as a manual or resource. The primary attack pattern involves redirecting users to malicious infrastructure through these 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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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=apertura%20ad8%20manual In PDF document text
- http://files.valleyliberator.com/uploads/1/3/1/6/131606035/padavosagog.pdfIn PDF document text
- http://files.jemun.net/uploads/1/3/1/4/131437538/zimef-pafitakimu-kazuwapofi-xefulogekasa.pdfIn PDF document text
- http://files.mylunarsign.com/uploads/1/3/1/8/131857482/6fcae3.pdfIn PDF document text
- http://files.larryssportsexchange.com/uploads/1/3/0/8/130874128/folerezome.pdfIn PDF document text
- http://files.bethlehemchristianmission.com/uploads/1/3/1/6/131606175/kufuf.pdfIn PDF document text
- http://files.bishopgumbleton.com/uploads/1/3/1/3/131379371/tokasinipegog.pdfIn PDF document text
- http://files.plasticdolls.co/uploads/1/3/1/4/131406835/nepenepuwad_tiredujuzaxuwil_duwil_lovoxeju.pdfIn PDF document text
- http://files.foodwastetruck.com.au/uploads/1/3/1/4/131453332/f3e848c9e3f822e.pdfIn PDF document text
- http://files.ireneoleary.com/uploads/1/3/1/6/131637325/wemikuwajowofa.pdfIn PDF document text
- http://files.artoutofdakota.com/uploads/1/3/2/6/132695493/4805215.pdfIn PDF document text
- http://files.orangehistory.org/uploads/1/3/1/3/131380998/6a7d3c8e67aa6.pdfIn PDF document text
- http://files.demirandaguitar.com/uploads/1/3/1/8/131871690/fokodibavuf_zogovisum.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://tusemopupoj.files.wordpress.com/2020/06/rupodekax.pdfIn PDF document text
- https://vajowobago.files.wordpress.com/2020/06/tesezinumuvaxomuluz.pdfIn PDF document text
- https://rarimuvu282494435.files.wordpress.com/2020/06/99402879666.pdfIn PDF document text
- https://bujavam.files.wordpress.com/2020/07/rupovugavulubi.pdfIn PDF document text
- https://gajufivevitu.files.wordpress.com/2020/06/67142403427.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/womosoravitixugefiwil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/5561128363.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/57955619809.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/sejil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/53607129813.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nejoxalivivurotuzepebibus.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_off00007f9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F9B | 4836 bytes |
SHA-256: 40339a3d523f256f95a3416929c079583ba51a084d847224a4e5b3276de246cc |
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font_01_sfnt_off00008fe1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8FE1 | 10508 bytes |
SHA-256: e996ee124c2605e5826dcf557c7f3204ce8582a6703b8e44dec07c83c55ec321 |
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