MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious redirector links and a link farm, suggesting an attempt to drive traffic to malicious sites. The embedded URL and the document body explicitly reference 'pbe download league' and include a URL pointing to a redirector, which is likely intended to trick users into downloading a payload. The ML classifier also strongly flagged this PDF as malicious.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=pbe+download+league In PDF document text
- http://files.sallyfort.com/uploads/1/3/1/4/131437725/niweniniremiledolov.pdfIn PDF document text
- http://files.puddlesandrainbows.org/uploads/1/3/1/4/131408209/e4618981.pdfIn PDF document text
- http://files.pjobrienbmx.com/uploads/1/3/1/3/131383630/540258.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/1/0434/5462/7993/files/fuxakeronajava.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1619/0112/files/glittering_generalities_examples.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1616/7328/files/wivipabinezugu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7840/1700/files/debavoserutunulupazilaja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2438/2109/files/bajitukaduzobano.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2068/1369/files/zepobi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4816/3733/files/lmm_duramax_problems.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2875/0241/files/43117646549.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2564/4192/files/31480569924.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4692/0615/files/bemonevafagivusizupematun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3305/9737/files/rilep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4305/1937/files/babetiganakif.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006e66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E66 | 22420 bytes |
SHA-256: 71da3b94f62f76be46fc091e7485fa90426b9605e8528f988fc0f1bc8b604f47 |
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font_01_sfnt_off0000af2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF2E | 4952 bytes |
SHA-256: ac79a3c06dbc339eb3a4689503f70ec57e77810b3b3d7e5349364e0d4a5371f0 |
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font_02_sfnt_off0000c031.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC031 | 12952 bytes |
SHA-256: 5cbdd05032403ca89bb6c60a9b5b5b6387b6946671a37dc343f58bbf6241c9a3 |
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