MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
The PDF file contains a significant number of embedded links, forming a link farm, with one URL pointing to known malicious redirector infrastructure. The primary malicious URL is https://ttraff.com/pify?keyword=catequesis+de+confirmacion+para+ni%25C3%25B1os+pdf. The document body appears to be malformed or corrupted, but the presence of numerous links to PDFs hosted on Shopify, combined with the malicious redirector, suggests a campaign focused on SEO manipulation or distributing further malicious content.
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.com/pify?keyword=catequesis+de+confirmacion+para+ni%25C3%25B1os+pdf In PDF document text
- http://files.jonathanposthuma.com/uploads/1/3/1/3/131379740/2f8e26d0e2bac.pdfIn PDF document text
- http://files.mathgenerations.com/uploads/1/3/0/7/130739830/pijotewe.pdfIn PDF document text
- http://files.keonilearning.com/uploads/1/3/1/3/131379396/0a8bb18.pdfIn PDF document text
- http://xapatik.antioch-vb.com/uploads/1/3/2/7/132710780/661298a32.pdfIn PDF document text
- http://files.bateshetzel.com/uploads/1/3/1/6/131606284/bikogivubi-xagutob.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/1/0433/3089/6026/files/pepetupuwiludenozuso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5354/7677/files/literature_review_on_chrysophyllum_albidum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5483/3557/files/19688281293.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1352/8987/files/jemaremusevovunusarifafu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4059/5352/files/atulya_bharat_by_rajni_vyas_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1148/0472/files/airmen_mock_test.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9049/4119/files/flask_contact_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4267/6636/files/relufegabavizinowujag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8016/3227/files/gufaruser.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0985/1048/files/luxunizalojuwezamanula.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7476/5475/files/vinunanuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/3098/4357/files/megivilikenofebomeluletiw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9474/6023/files/how_many_seasons_of_adventure_time.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9928/1821/files/quitclaim_deed_illinois.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_off00017101.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17101 | 5512 bytes |
SHA-256: 97a8715c643a7c9decc028a885ab6da66db92788f4ccf07fc6d6408be846772b |
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font_01_sfnt_off0001835f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1835F | 17948 bytes |
SHA-256: 5b08812374ca6be2966e704fd99a57b411e140568cc9e71c6f5ae3b71ce0a36f |
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font_02_sfnt_off0001b838.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B838 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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