MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links and a call-to-action phrase, directing users to a redirector URL that is flagged as malicious. The document body, though heavily obfuscated, contains a reference to 'grammar checker free for iphone' and the malicious URL, suggesting a phishing or scam attempt. The presence of numerous PDF links, many pointing to Shopify, indicates a link farm used to distribute malicious content.
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=grammar+checker+free++for+iphone In PDF document text
- http://files.mod-mode.com/uploads/1/3/1/4/131454035/tunusad_nowitir_ragadozulez_leneri.pdfIn PDF document text
- http://files.ericmccarron.com/uploads/1/3/0/8/130874382/3594543.pdfIn PDF document text
- http://files.wilsoninteriordesign.com/uploads/1/3/0/7/130738512/f9806094a8.pdfIn 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/1/0437/1356/0727/files/19994570642.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8040/8474/files/kigipowigibelogemali.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2929/1427/files/bestimmte_und_unbestimmte_artikel_bungen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6682/6656/files/atomic_habits_vk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0163/4213/files/alcoholic_whatsapp_status_video.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/59022585862.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3375/4773/files/bpp_f2_study_text_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0464/0948/2408/files/francis_bacon_essays_of_studies.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0454/2958/8124/files/71604117507.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9434/3841/files/fomide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8959/1461/files/302880106.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_off00006ab4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AB4 | 4848 bytes |
SHA-256: ca44c6e6da930a7da23c6aa2ac16bca58d3754a022cd70883c0365ebf241b448 |
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font_01_sfnt_off00007afe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AFE | 10352 bytes |
SHA-256: 7cd872bef4d31961840e760783b23019702158d551b089a03d62e00b407d216d |
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font_02_sfnt_off00009e29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E29 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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