MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to domains associated with link farms and redirectors. One prominent link, 'https://ttraff.com/wb?keyword=appliance%20repair%20training%20manuals%20pdf', is identified as a malicious redirector. The document body, though partially obfuscated, contains text related to 'appliance repair training manuals pdf', suggesting a lure to trick users into clicking the malicious links. The ML classifier strongly indicates maliciousness.
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=appliance%20repair%20training%20manuals%20pdf In PDF document text
- http://files.adelaide-pilates.com/uploads/1/3/0/7/130739761/zijupepojumoviziwese.pdfIn PDF document text
- http://files.climatechheatingcooling.com/uploads/1/3/0/7/130776875/57020532409.pdfIn PDF document text
- http://files.redeemercityreykjavik.com/uploads/1/3/1/8/131856518/8582783.pdfIn PDF document text
- http://files.mackeiganmarketing.com/uploads/1/3/1/4/131452732/sodopafesub.pdfIn PDF document text
- http://files.vcdssydney.com/uploads/1/3/0/8/130813770/gowasebuwupamekowa.pdfIn PDF document text
- http://files.outloudvideo.com/uploads/1/3/1/6/131606454/sotupumaj-newuxu.pdfIn PDF document text
- http://files.newellbooks.com/uploads/1/3/0/8/130813797/vapujulo_rajeker_vewidufe.pdfIn PDF document text
- http://files.gold-condominium.com/uploads/1/3/2/6/132682639/vupesamije.pdfIn PDF document text
- http://files.barriointellect.com/uploads/1/3/2/7/132740321/104c7d.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://gapigibodaj.files.wordpress.com/2020/06/80163885146.pdfIn PDF document text
- https://selijowo.files.wordpress.com/2020/06/74498619211.pdfIn PDF document text
- https://toxuluva830071386.files.wordpress.com/2020/06/regetozulipovuruzokamipin.pdfIn PDF document text
- https://jakuwil.files.wordpress.com/2020/07/51661294469.pdfIn PDF document text
- https://porawinag.files.wordpress.com/2020/06/bavabegetukufuvewofut.pdfIn PDF document text
- https://jimewiwujexo.files.wordpress.com/2020/07/33192351418.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/67641838088.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pazobezosajage.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/51191810805.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/87967576867.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/52325197595.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_off00008b28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B28 | 5236 bytes |
SHA-256: cdf115409e4c7dcf61bd82e71af316b93036661f235bbb2076a2969504239c87 |
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font_01_sfnt_off00009cd4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9CD4 | 10320 bytes |
SHA-256: 505e891f8478ad582e9e4b94fa01b3e36c28fe613da270374bcda2f9b9d1dd1c |
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