MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.001 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. The PDF also exhibits characteristics of a link farm, with numerous external links, many hosted on Shopify. The presence of a 'download button' lure further supports a malicious intent to redirect the user to a harmful site.
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.com/pify?keyword=afcat+1+2020+result+pdf In PDF document text
- http://muruwe.yichentu.com/uploads/1/3/1/3/131379312/7300281.pdfIn PDF document text
- http://files.dbshawks.com/uploads/1/3/1/3/131380728/waredomata_bogesenavulo_xusanelokupom_furiduradujumi.pdfIn PDF document text
- http://files.cheriejsmith.com/uploads/1/3/1/3/131383588/4456653.pdfIn PDF document text
- http://rujari.millsandcockburn.com/uploads/1/3/1/4/131437044/8623510.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/1/0432/5949/4555/files/xaxopaxinoses.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5915/1009/files/40478605095.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9217/1165/files/meridian_energy_pen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4487/2090/files/tikinaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8678/2369/files/risujakinofisep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4229/0336/files/boguvavefukolatamoxevorig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3164/2780/files/91178447309.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9128/7461/files/tozijurevi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1785/4373/files/3455820777.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5690/5885/files/xitagazetogov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0498/4483/files/72005477944.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1459/4464/files/angina_de_ludwig_pediatria.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7880/2846/files/kugowelobu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0890/0768/files/dawajuranuxidifusumoxija.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/welilavuruwad.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000727d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x727D | 5464 bytes |
SHA-256: 07a44b616e1f48933c96f54ada7ea6eff7ecfc0342e9b5fdd421ef3ff116c2e0 |
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font_01_sfnt_off0000852d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x852D | 10076 bytes |
SHA-256: 8e568a1af47435868c07f9e97afa2ea9f805b50e7668253a8c94a1e74b75fa66 |
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