MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to what appears to be a link farm designed to host SEO-optimized PDF documents. One of the primary links redirects to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the malicious redirector URL and several benign-looking Shopify URLs, likely intended to mask the malicious activity.
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.com/pify?keyword=perspectiva+conica+con+dos+puntos+de In PDF document text
- http://gejiri.robbatesphotography.com/uploads/1/3/1/4/131406390/83fc7d50e.pdfIn PDF document text
- http://files.sweetcelebrationsllc.com/uploads/1/3/1/3/131380063/1772054.pdfIn PDF document text
- http://files.keyahealth.com/uploads/1/3/2/7/132741476/5002980.pdfIn PDF document text
- http://files.mfra.ca/uploads/1/3/1/3/131383493/02107d7c48ebb8f.pdfIn PDF document text
- http://files.scotskirkparis.com/uploads/1/3/0/7/130738889/mazagisu_fixepomujav_pebofadazaka.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/1/0435/9880/7202/files/child_development_13th_edition_john_santrock.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0462/2663/6954/files/custodian_worker_1_exam_study_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6989/8914/files/20111590912.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5242/5631/files/norma_astm_a351.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7791/9129/files/liruzifisaseso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8581/6218/files/stand_up_speak_out_talk_back.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/33540287451.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0211/6772/files/angular_2_tutorial_ebook.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2650/5118/files/pupefuvunomipotusiw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2124/6359/files/42248034202.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9649/0663/files/arya_2_movie_dialogues_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2191/0694/files/13225560933.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_off00007252.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7252 | 5096 bytes |
SHA-256: 15d010b9e97fae9270cbc159b0f77d8cc06f75c41738d3e5d41d797aa7991035 |
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font_01_sfnt_off000083a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83A6 | 1800 bytes |
SHA-256: daad3f347a4f42f432ee9983e619a7c063e36761dba5934b469418034847e28e |
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font_02_sfnt_off00008c34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C34 | 10640 bytes |
SHA-256: c40d678f18a4fdb98218363803215ab2d279bb28d63ef3e97acac9c1b85b3240 |
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