MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=manualidades+navide%25C3%25B1as+faciles+paso+a+paso'. This indicates the document's primary purpose is to redirect users to a potentially harmful site. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm or SEO manipulation tactic to distribute malicious content. No scripts were extracted, and the document body is heavily obfuscated, but the malicious redirector link is a strong indicator of malicious intent.
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.cc/pify?keyword=manualidades+navide%25C3%25B1as+faciles+paso+a+paso In PDF document text
- http://files.apple-itchyfeet.com/uploads/1/3/0/7/130776061/risujom.pdfIn PDF document text
- http://files.russlevin.com/uploads/1/3/2/6/132681213/266b2fd04d7b14.pdfIn PDF document text
- http://files.learningandwriting.com/uploads/1/3/2/8/132814050/xepopikusewajijin.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/1/0429/3902/3526/files/dilink_di_524.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9980/0217/files/51279588217.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3174/9031/files/ctet_2020_paper_1_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6704/7077/files/9449756975.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/7072/3998/files/quantitative_critical_appraisal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/0041/9736/files/86863992812.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7673/0533/files/in_vitro_antidiabetic_activity_of_plant_extract.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3926/8774/files/posurebilurufofudapuke.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4211/9592/files/bullet_point_discord.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0461/6948/9560/files/farewell_report_card_comments.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8510/3255/files/72893505987.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2816/0420/files/d._h._m._s._doctor_full_form.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_off00008f2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F2E | 5328 bytes |
SHA-256: 4a21d14c9b33f7e7f77f9ce91f1159001b139a16aa8b5b1380225d8ca149aa2b |
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font_01_sfnt_off0000a12b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA12B | 11216 bytes |
SHA-256: e1384c6f745ec1f696a93759f2be410cddda48a4d93397b01db56607f4c4420a |
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