MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a redirector URL that is associated with malicious activity, specifically a lure for downloading software. The document body, though heavily obfuscated, contains text related to 'Spotify premium apk 2018 download' and the malicious URL, indicating a phishing or malware distribution attempt. The presence of a link farm heuristic further suggests this PDF is part of a larger SEO poisoning campaign.
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://gettraff.ru/123?keyword=spotify+premium+apk+2018+download In PDF document text
- https://buserakufazuwus.weebly.com/uploads/1/3/4/0/134097478/4849339.pdfIn PDF document text
- https://nipaxibovaj.weebly.com/uploads/1/3/1/3/131379211/6d7c7.pdfIn PDF document text
- https://sabijodamibig.weebly.com/uploads/1/3/0/7/130775907/2657289.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4371523/normal_5f923a63c42a6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385415/normal_5f8c9d1779ca5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366947/normal_5f878efe525fe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368218/normal_5f8dc09c4f6ed.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374540/normal_5f8ef3bbb89bb.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/xesigeze/robad.pdfIn PDF document text
- https://s3.amazonaws.com/fadedosi/action_verb_word_search.pdfIn PDF document text
- https://s3.amazonaws.com/rokuwapesu/93332508404.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4492/8674/files/canonical_form_of_boolean_algebra.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0496/0744/2584/files/jugefelelimolesimogude.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0485/0116/2146/files/99762499620.pdfIn PDF document text
- https://s3.amazonaws.com/pugomonapoxuxe/balanitis_candidisica_recidivante.pdfIn PDF document text
- https://s3.amazonaws.com/zirojopemup/925887770.pdfIn PDF document text
- https://s3.amazonaws.com/zunewidimem/xafefujukokemubiwedor.pdfIn PDF document text
- https://s3.amazonaws.com/suzixegazunow/konezujigizekufusu.pdfIn PDF document text
- https://s3.amazonaws.com/bivanud/ethical_considerations_in_research_proposal.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e5a92c3c-1298-434a-a83f-bd7e14d5e2d6/christmas_lights_lexington_sc.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8518f235-c896-462c-8fda-3440844733f0/ill_be_home_for_christmas_sheet_mus.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009239.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9239 | 5892 bytes |
SHA-256: a6250496faed9d93899ea0df5a0a7659b587dc20457cb059cdc4793a1c1a5b6a |
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font_01_sfnt_off0000a64c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA64C | 12456 bytes |
SHA-256: 69a42e2071ddfa81a48e052500e421e3af45d291613f9364014195012184cf72 |
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font_02_sfnt_off0000ce3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE3C | 16312 bytes |
SHA-256: aad9bc0f36eadc3314e08670b59090120051e308b357201f134af3d0b781b2b0 |
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