MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains multiple embedded links, including one to a known malicious redirector, suggesting an attempt to phish users or lead them to malicious content. The document body text and embedded links are designed to appear as a software download lure, specifically for 'Crystal report runtime for visual studio 2017'. The presence of numerous PDF links, many pointing to Shopify domains with seemingly random filenames, indicates a link farm strategy to improve SEO for malicious content. No scripts were extracted, but the PDF structure itself facilitates the redirection.
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=crystal+report+runtime+for+visual+studio+2017 In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0459/6164/2144/files/chloroform_banane_ki_vidhi_video.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7165/2508/files/zudumugetuberuluzon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3127/2346/files/zupepekinukasasonopip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4325/8522/files/koxolejivafafuzixibakeda.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1559/4393/files/38669125157.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4647/8759/files/libudutumalokudel.pdfIn PDF document text
- https://static.usrfiles.com/ugd/838e7e_49f7126432a84ef4b683fcfa1fdbfe5c.pdfIn PDF document text
- https://static.usrfiles.com/ugd/bbd3cf_66372f7a55264bb7b79a0b368cc7f577.pdfIn PDF document text
- https://static.usrfiles.com/ugd/c1615c_40329a3376de41a5a7e5ab58f3fff49a.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9386/1279/files/jewilifuzonuzejuvekum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0463/0570/6144/files/divergent_study_guide_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0623/8626/files/levegemobetironomijuritid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6217/3602/files/fallout_4_vault_88_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3945/7431/files/lofoguridu.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn 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_off000064dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64DD | 6476 bytes |
SHA-256: 6b33ff188d28154d6dbdbf812d80b7b44c2f9bc5adfe8bd5e5c9793c1c79fec7 |
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font_01_sfnt_off000074e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74E5 | 5660 bytes |
SHA-256: 6d6a6b67b9b06e952540898f4a05c0f04f9a94bdec5943d84f1fe4d9f4c334db |
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font_02_sfnt_off0000882b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x882B | 10144 bytes |
SHA-256: f3d6628a49653e26f7989e9e394c907a8f20129b3519d9dabd67dda7b91b83fd |
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font_03_sfnt_off0000aaea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAAEA | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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