MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a redirector URL, identified by heuristics as a malicious redirector and an SEO lure for phishing. The document body also contains the same redirector URL, suggesting it's the primary mechanism for delivering a payload. While no scripts were extracted, the presence of malicious links and the ML classifier's high confidence indicate a malicious intent, likely to download and execute a second-stage payload.
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.ru/wb?keyword=sldprt%20to%20pdf%20converter%20free%20online In PDF document text
- http://files.lifeclickscoaching.com/uploads/1/3/1/4/131453111/nolesegapoz.pdfIn PDF document text
- http://files.blueridgeestatewinery.com/uploads/1/3/2/7/132710697/bedalakenokigif_katigifi_duzoso_bomozowomase.pdfIn PDF document text
- http://files.meadowlynnfarms.com/uploads/1/3/1/3/131379268/9171176.pdfIn PDF document text
- http://www.opentle.orgIn 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/1/0427/5847/1846/files/ridoferupununinetak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1478/1085/files/37790814049.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1767/4656/files/asa_flight_planner.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0158/5570/files/4898595913.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3298/4222/files/cummins_nt855_service_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5693/8646/files/duzug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4464/2715/files/wemuta.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3488/5792/files/tmux_split_horizontal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5693/9676/files/2194671596.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7215/0947/files/rituvijamoturupenojenaxiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/6072/9758/files/da_form_1059.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5528/4378/files/71975853108.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2657/0664/files/30_pt_buck_song.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://www.gnu.org/licenses/gpl.htmlIn 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 |
|---|---|---|---|
stream_004_off00007219.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x7219 | 12000 bytes |
SHA-256: f077ab0735494be4f4094c88be957528fc4863be1741a8a869c511502d816c26 |
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font_00_sfnt_off00006144.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6144 | 4924 bytes |
SHA-256: cd6e12af2fe37ef4b1b43ae381f6f5fe08ced833c5447993c339bc73628f26fe |
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font_02_sfnt_off000093ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x93CE | 15880 bytes |
SHA-256: 52752db1e8c7bd0b307b5b99d25d5898dd784f47e8c79b4f0a07d3ca3948c1df |
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