MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to a malicious domain, identified as a redirector for SEO-based phishing. The document body, though heavily obfuscated, contains a URL that matches the heuristic findings. The ML classifier also strongly indicated maliciousness. The primary attack vector appears to be a lure for users to download potentially malicious content.
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/pify?keyword=androidx+support+library+%25E5%2585%25B1%25E5%25AD%2598 In PDF document text
- http://files.mariapapapostolou.com/uploads/1/3/1/1/131164100/dufuwudibaz.pdfIn PDF document text
- http://ribasa.edmtool.com/uploads/1/3/1/4/131407222/bokepe.pdfIn PDF document text
- http://jebav.mydiggersden.com/uploads/1/3/1/4/131453541/1446561.pdfIn PDF document text
- http://kaguwis.store.easy-editor.com/uploads/1/3/1/6/131606666/ganuzu_sajiguxomuxif_pumulujofi.pdfIn PDF document text
- http://files.deniseestewart.com/uploads/1/3/1/4/131454620/xotubuti_loderefepurunut_bovufolugegek.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/1/0436/6965/1606/files/assistive_touch_android_2019.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8249/8716/files/67336297338.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2936/4889/files/cover_letter_format_for_job_application_for_freshers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bifezunelavezide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3025/7568/files/amadeus_software_training.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5469/3529/files/affiliate_business_model.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9339/2536/files/72989934962.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2589/1479/files/xudajunugodolezelojexu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5180/9957/files/lawobokabiw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6001/6790/files/logitech_control_center.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008984.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8984 | 11056 bytes |
SHA-256: c9b4ff7d6433076cc1c2644d0c4faa3ea2ab51d1a75432a2eddcdb0d91e343a4 |
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font_01_sfnt_off0000ad64.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD64 | 3272 bytes |
SHA-256: b387182b2e0060efc1f65695a97d3bcf763230e8e99cc32568ac4461013648ce |
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font_02_sfnt_off0000b901.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB901 | 5252 bytes |
SHA-256: 148d09786b48eb479494a46012f4364ccd5a00c9bb3dfa235531db3ac892bd14 |
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font_03_sfnt_off0000caeb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAEB | 15040 bytes |
SHA-256: dad225a6fe5cf806e210c590b7aae86a96035df6e6f54b35108ec71e8f7db2a3 |
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