MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.link/wix?keyword=ac+market+atualizado+apk'. The document body, though heavily obfuscated, contains references to 'Ac market atualizado apk', suggesting a lure for users to download potentially malicious software. The file also contains a large number of embedded links, many pointing to Shopify domains, which is indicative of a link farm strategy to improve search engine ranking for malicious content.
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.link/wix?keyword=ac+market+atualizado+apk In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1668/1629/files/carbon_fiber_sheets_blockheads.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8583/1070/files/96268310363.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8805/9293/files/fizofegipisuj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5453/8658/files/sekanopulalivurivotujelaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/7770/1533/files/fidexikotenotere.pdfIn PDF document text
- https://static.usrfiles.com/ugd/3b7182_79bf8edb9c4a48f195e02f9405089dcb.pdfIn PDF document text
- https://static.usrfiles.com/ugd/d94ae5_15acdcf0202a4245bb4d954823784b87.pdfIn PDF document text
- https://static.usrfiles.com/ugd/85d67f_8cf3a121f07c4aa18dc75b557e330d22.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3127/2351/files/9512198286.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0462/8440/6944/files/8856140440.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4813/8912/files/brenton_tarrant_manifesto.pdfIn PDF document text
- https://static.usrfiles.com/ugd/7e84b7_07a45c77e8ed4dabaef73920b8fc7637.pdfIn PDF document text
- https://static.usrfiles.com/ugd/03a576_247830bd877241f58daf0b3e852ac9f8.pdfIn PDF document text
- https://static.usrfiles.com/ugd/035627_772973cca03c4b6e9918003febfb7d4a.pdfIn PDF document text
- https://static.usrfiles.com/ugd/c75f60_fde2ae00808f45fba9213ec07ed96d92.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005f58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F58 | 5144 bytes |
SHA-256: 3bfdfc002a18d6ddf7520bef4edf0fdefabc7d5122f71f90784888b575fe3ec3 |
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font_01_sfnt_off000070bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70BF | 2236 bytes |
SHA-256: 337d6416420a05dbdd303242054fb0b81607403aa080aa24d751cc4156ccb357 |
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font_02_sfnt_off00007ada.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7ADA | 10376 bytes |
SHA-256: 91eceef17664f336d0da9d33f193c7f5f481cb270fa168b9cba98384bfb07fac |
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font_03_sfnt_off00009e8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E8D | 2752 bytes |
SHA-256: eff260de515204b09a9ef4db25a41e244ce4353b3dccb5a2a8fc415043b9e3a9 |
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