MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to redirector infrastructure, specifically `https://ttraff.cc/pify?keyword=descargar+calendario+2020+colombia+pdf`, which is flagged as malicious. It also hosts a large number of external PDF links, many pointing to Shopify domains, suggesting a link farm for SEO manipulation to lure users. The ML classifier strongly indicates maliciousness, and the overall structure points to a phishing or malware distribution scheme.
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=descargar+calendario+2020+colombia+pdf In PDF document text
- http://files.deltafuntime.com/uploads/1/3/1/6/131637239/niguxadube.pdfIn PDF document text
- http://files.hmcsacadiaalumni.com/uploads/1/3/2/8/132814958/59423f891.pdfIn PDF document text
- http://files.fascinobespoke.com/uploads/1/3/1/8/131858975/maxabemurijuzisi.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/1/0433/0687/7080/files/xikidewutuxazumal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5663/5812/files/what_is_my_favorite_food.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7197/9171/files/65739164950.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4916/5734/files/18000278097.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/luzugojozawok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7409/2196/files/vutof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4224/2709/files/zasivofimafa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7921/2962/files/manaboladinunorek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0425/4615/files/lowamibijixasavu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9875/7538/files/belajar_menulis_alif_ba_ta.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7230/5817/files/51001595357.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9925/1093/files/68903240906.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7937/6798/files/40787679447.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_off0000502e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x502E | 5596 bytes |
SHA-256: fdd26b22de29f0d1aff9ba01067fa610650705001833a79f2166229fea02fe34 |
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font_01_sfnt_off00006302.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6302 | 10932 bytes |
SHA-256: cbe37f49093da54253f0eb83669699ce9ab8e1be9f2ebfb87e3d9540aea8a921 |
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font_02_sfnt_off000086b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86B3 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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