MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to Shopify domains hosting PDF files, but one critical link redirects through ttraff.com, a known malicious redirector. The document body text and embedded links suggest a lure for job seekers, specifically mentioning 'ibps banking awareness pdf', which is then redirected to a malicious URL. The ML classifier strongly flagged this PDF as malicious, and the malformed stream length heuristic indicates potential exploit activity.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTHA PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
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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/pify?keyword=ibps+banking+awareness+pdf In PDF document text
- http://files.firstcovenantsuperior.org/uploads/1/3/1/4/131454373/ad311744a3460c7.pdfIn PDF document text
- http://files.adelaide-brushfencing.com.au/uploads/1/3/2/7/132740997/midukipupovu-kewawusawojem.pdfIn PDF document text
- http://files.mclactation.com/uploads/1/3/1/4/131452989/bawufefazifi_gifakubim_wizebuva.pdfIn PDF document text
- http://jukug.dolphinhat.com/uploads/1/3/1/1/131164239/nomusoz.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9682/4221/files/best_answers_for_job_interviews.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8542/2997/files/tupivulozizo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9814/4932/files/callese_y_venda_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0515/7284/files/acute_myocardial_infarction_definition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/18983443830.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jewepogepavab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2296/7207/files/nutabib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6152/6166/files/tirutafixo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8277/6725/files/tixudozam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2802/9345/files/attachment_theory_john_bowlby.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4176/7072/files/86612788046.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1112/1063/files/60645528051.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_off00005e2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E2B | 5412 bytes |
SHA-256: a95fd380b25ca99edd0044dedbb1833cc69988970f2b13853f5dc0e201ef4a66 |
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font_01_sfnt_off000070b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70B2 | 12992 bytes |
SHA-256: f867d9c9573c15671eec8672b0762881ddfc156c4499ab4bc046e8391b085657 |
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