MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
This PDF document functions as a link farm, embedding numerous links to external PDF files. The primary malicious link, 'https://ttraff.com/wb?keyword=acceleration%20word%20problems%20answer%20key%20pdf', is identified as a redirector to malicious infrastructure. The document's content and structure strongly suggest a social engineering tactic to drive traffic to potentially harmful websites.
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=acceleration%20word%20problems%20answer%20key%20pdf In PDF document text
- http://files.swimlongbrooke.com/uploads/1/3/1/6/131606256/nezasumafiposinagifu.pdfIn PDF document text
- http://files.unbridleddesignz.com/uploads/1/3/1/6/131607889/papijizajawis.pdfIn PDF document text
- http://files.thecitydesk.com/uploads/1/3/1/6/131636689/zuxofutomi_rulonuwap_kadizif.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://depitexexu.files.wordpress.com/2020/06/jajazizazajewovodanoxata.pdfIn PDF document text
- https://rigigoz.files.wordpress.com/2020/06/57090317610.pdfIn PDF document text
- https://wobukaf.files.wordpress.com/2020/07/xemizumaz.pdfIn PDF document text
- https://xitesino.files.wordpress.com/2020/07/59578964530.pdfIn PDF document text
- https://pinifivipivu.files.wordpress.com/2020/07/woxupetakugokolo.pdfIn PDF document text
- https://tujubaso421145815.files.wordpress.com/2020/07/kididegakudowolim.pdfIn PDF document text
- https://bularese.files.wordpress.com/2020/07/77920324071.pdfIn PDF document text
- https://liwigevaba.files.wordpress.com/2020/06/20362015151.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mikawewetekiwu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5085/2762/files/54285619000.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fupibi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9866/9220/files/40973247110.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4133/3147/files/53487067013.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5802/1027/files/votelusojewamamoxef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4314/4359/files/jamip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8886/2614/files/tosobovojatiwatavuja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2938/1791/files/11836807700.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6071/4904/files/mukuzigi.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_off00007298.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7298 | 5476 bytes |
SHA-256: e44e12522d3af4da9105b1ad01b69ec7437d0fe173cc6c0c3f341ecef447c9b1 |
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font_01_sfnt_off00008523.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8523 | 10632 bytes |
SHA-256: 2ae0eeff6dfe8c7ffc5b03d3d94ac4f35ba257d394c4b3894070901f14e2a615 |
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