MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external resources, many of which are hosted on what appears to be a link farm designed for SEO manipulation. One prominent URL, 'https://ttraff.ru/pify?keyword=free+phonics+lesson+plans+pdf', is identified as a malicious redirector, indicating a phishing or scam attempt. The ML classifier strongly supports the malicious nature of this PDF.
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=free+phonics+lesson+plans+pdf In PDF document text
- http://files.newenergyera.org/uploads/1/3/2/8/132814593/bitofij-lurugosalarejuj.pdfIn PDF document text
- http://nunok.ipadbootcampforteachers.com/uploads/1/3/1/4/131437948/sugafejogugawemudo.pdfIn PDF document text
- http://files.mahlakiyaelblida.org/uploads/1/3/1/1/131164079/wemiropevilo-pinaxofax.pdfIn PDF document text
- http://files.flixtonacademy.com/uploads/1/3/1/4/131408954/2203421.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/1/0449/8512/2984/files/chemistry_raymond_chang_11th_edition_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0962/2695/files/wodepe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5471/8358/files/tugon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8844/5604/files/61077501741.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5192/6183/files/renozadobugasimipelato.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2721/6037/files/autocad_file_to_converter_online_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6924/3549/files/44183052515.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0428/0481/files/fobipekaridekira.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8421/8521/files/bogafigisolubuvinewu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9959/4656/files/zukemax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9289/2061/files/aulas_basicas_de_violo_para_iniciantes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9095/8752/files/wozatotukefusi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9282/8579/files/76023111415.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2965/9797/files/butchery_business_proposal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6984/8217/files/89975542381.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_off00006611.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6611 | 5196 bytes |
SHA-256: cd27f7662d5c2d3b3ad2c60d752f20f64eff83f32c498dad1fef2b2ca6683241 |
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font_01_sfnt_off000077b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77B2 | 10312 bytes |
SHA-256: 87bda2d288522876f0b99a4f2b575aa4d073effbd44824b93e19977e5367080e |
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