MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with a primary link pointing to a known malicious redirector. The document body, though partially corrupted, includes the target URL and other PDF links, suggesting a lure to a malicious site. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to redirect users to harmful 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.ru/pify?keyword=occupational+therapy+in+community+based+practice+settings+pdf In PDF document text
- http://wetorog.opmustang.com/uploads/1/3/1/4/131437886/suraxaxogopikoj-medokaxogun.pdfIn PDF document text
- http://vopib.doryclub.org/uploads/1/3/1/3/131383483/cce6de63c1b1.pdfIn PDF document text
- http://files.startimepatisserie.com/uploads/1/3/1/6/131606046/rosufiwu.pdfIn PDF document text
- http://files.angieblakemore.com/uploads/1/3/2/6/132681391/5669215.pdfIn PDF document text
- http://rolid.cashatmservices.com/uploads/1/3/1/4/131453133/kuxutel-mobununuruva-tuwudilafugupo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0440/5100/5590/files/effective_academic_writing_1_answer_key.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2518/5442/files/naruto_shippuden_episode_86_english_dubbed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1970/6269/files/kitamukazugubatewilu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2100/9053/files/65356095259.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1317/6469/files/katofuvetux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3436/1503/files/52226543075.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8940/2783/files/heat_conduction_equation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7507/6258/files/44888202338.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1863/9765/files/lion_king_circle_of_life_piano_sheet_music.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2215/5930/files/widanutonig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3127/3383/files/battle_bears_gold_accounts.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9825/1165/files/zewexizomikiwaxag.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_off00004b7d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4B7D | 5720 bytes |
SHA-256: 841149a4beeb36271924b2a3d6eaf82ce7253a131e43991fa5996d4069189ea2 |
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font_01_sfnt_off00005ebc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EBC | 9944 bytes |
SHA-256: fa2bc9e86710b3976a084b47710e9575967559e6a81f21878645573b58a2e717 |
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font_02_sfnt_off000080ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80BA | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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