MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, with one identified as a malicious redirector. The heuristic firings indicate that the document is designed as a link farm, likely to distribute malicious content or facilitate phishing attacks. The primary malicious IOC is the redirector URL.
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=puntos+que+dividen+segmentos In PDF document text
- http://files.heartcentredhealing.org/uploads/1/3/1/1/131164012/944e5.pdfIn PDF document text
- http://files.nhscienceforcitizens.org/uploads/1/3/1/0/131070561/bevik.pdfIn PDF document text
- http://files.doorwaytodignityabuserecovery.com/uploads/1/3/1/8/131856852/piloja_zudotedu.pdfIn PDF document text
- http://janezix.jillhakala.com/uploads/1/3/1/0/131069934/82bedcb49567e.pdfIn PDF document text
- http://tawano.freechristianebooks.org/uploads/1/3/2/8/132816202/890d213dbaeb34.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/1/0435/5581/5583/files/d2_point_group.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2422/0321/files/bacterial_conjunctivitis_guidelines.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/4202/6150/files/selection_sort_javascript.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6825/1548/files/70305665976.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9657/0024/files/vataguwabopofepis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0406/0071/files/badminton_rules_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6120/5399/files/act_setup_ff14.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7306/0520/files/t9_android_tv_box_review.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7375/7603/files/essentials_of_human_anatomy_and_physiology_10th_edition_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3817/0526/files/godfather_theme_accordion_sheet_music.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7066/0508/files/44967364866.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4994/3202/files/kapewawere.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6546/6270/files/university_of_pennsylvania_endowment.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8837/1107/files/vituwilobubifefos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8999/3635/files/clasificacion_de_tornillos_y_tuercas.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_off000064ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64FF | 4996 bytes |
SHA-256: bfe4a2820aada27aee6e3f565f6e0bf9d8d3ad3e86be131f10d8c2a7d378dd27 |
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font_01_sfnt_off000075eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75EB | 10964 bytes |
SHA-256: 4bf6f33ad23f8612cc00cd3bfae0101225ff7d2df27d14c9b29848e65c28631e |
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