MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains multiple heuristics indicating malicious redirector links and a link farm, suggesting a phishing or scam attempt. The document body, though partially corrupted, contains a URL that matches the redirector found in the heuristics. The presence of numerous PDF links, many pointing to benign Shopify URLs, suggests an attempt to disguise malicious activity within a larger link farm. The ML classifier strongly indicates maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.cc/pify?keyword=japanese+hiragana+writing+practice+sheet In PDF document text
- http://files.ronamaybryan.com/uploads/1/3/1/6/131606056/xowogizaxezikor-tedosadegitafus-texaxozisefi-pupivowuvasis.pdfIn PDF document text
- http://files.noladelicious.com/uploads/1/3/0/7/130775462/wowuvirawobi-dedakivifujig.pdfIn PDF document text
- http://files.happytailspets.co.uk/uploads/1/3/0/8/130814631/jasepuji.pdfIn PDF document text
- http://busenoso.taaonline.org/uploads/1/3/1/6/131606490/ridorapunavuguf-bekor.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/1/0437/2630/7480/files/10_commandments_of_god.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6553/0785/files/new_real_book_2.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4672/3996/files/950882531.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2857/7447/files/merubah_file_ke_jpg_gratis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8849/4236/files/osrs_magic_max_hit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0256/7588/files/xutufitosovomo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/34515707504.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4592/0669/files/47253637033.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0976/7584/files/54082016887.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7394/4217/files/35543068576.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1947/4856/files/weight_conversion_chart.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5901/2006/files/bbc_news_reporter_nina_warhurst.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7192/9496/files/absceso_hepatico_amebiano_gpc.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_off0000e5bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5BD | 17496 bytes |
SHA-256: 44940f5dcf55af0edd2c528e2bbcd8da5131e41aa761aed183657b14e4340364 |
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font_01_sfnt_off00011d26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D26 | 5244 bytes |
SHA-256: 762c9cb166bcd2cca2b6a56a1cefe8435e66bc58d6bb20b8cdade4b2c677d1bc |
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font_02_sfnt_off00012eff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EFF | 12996 bytes |
SHA-256: 3f73729c73009691a5434641517b13c814093590000f1b8152ee91c91a6bc4d9 |
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