MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a known malicious redirector infrastructure, which is designed to lead users to malicious content. The document body, though heavily obfuscated, contains text related to a medication, likely a lure to encourage clicks. The presence of numerous external PDF links further indicates a link farm or redirection strategy.
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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.cc/pify?keyword=acetilcisteina+xarope+infantil+bula+pdf In PDF document text
- http://files.scandinavianschool.be/uploads/1/3/2/7/132740620/wufexolewimakip.pdfIn PDF document text
- http://divof.elbowtree.com/uploads/1/3/0/7/130738837/4f48b2.pdfIn PDF document text
- http://files.amyshomedaycare.com/uploads/1/3/0/9/130969683/lebajexazaxajedowu.pdfIn PDF document text
- http://files.chriskelsey.com/uploads/1/3/1/4/131407012/7342255.pdfIn PDF document text
- http://jodizux.johnkilkennypercussion.com/uploads/1/3/0/8/130813612/lodizon-kevasogube-jadewifis-retinebidije.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/1/0431/5129/4628/files/meez_hack_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0718/0954/files/84340162386.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9813/5966/files/renixarasafov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8157/1227/files/wajodoworaminix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7712/1686/files/watch_berserk_2016.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pejuzesuloroxutebed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0238/7867/files/larson_calculus_9th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tugerivedisabuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2990/4032/files/bangalore_pin_code_list_area_wise_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8839/6959/files/58654151078.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9660/4825/files/ken_park_full_movie.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kewosa.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_off0000ed37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED37 | 5348 bytes |
SHA-256: 52b883beea59a3cf9568607b4cfed178f9dadddd497bb9a29605fa2d614c1732 |
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font_01_sfnt_off0000ff75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF75 | 13124 bytes |
SHA-256: 4aec43453efb84210807d19f2c91d64d507f085fb53ce610644bbf8d93c2eca7 |
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