MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a link farm designed to appear as legitimate documents but redirects to malicious infrastructure. The primary malicious URL identified is https://ttraff.cc/wb?keyword=problemas%20de%20m.c.m%20y%20m.c.d%20pdf, which is flagged as a malicious redirector. The document body, though heavily obfuscated, also contains this URL and numerous other links hosted on cdn.shopify.com, suggesting a large-scale SEO poisoning or link farm attack.
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/wb?keyword=problemas%20de%20m.c.m%20y%20m.c.d%20pdf In PDF document text
- http://dibinof.dkg-betadelta.org/uploads/1/3/0/8/130814674/sopap_getut_kuxoxerararam.pdfIn PDF document text
- http://files.dieselcoresupply.com/uploads/1/3/1/4/131454355/9461005.pdfIn PDF document text
- http://files.guildhallinc.com/uploads/1/3/0/7/130740025/5426442.pdfIn PDF document text
- http://vesez.galaxyexplorationsholdings.com/uploads/1/3/1/4/131406286/8856324.pdfIn PDF document text
- http://files.gisu.org/uploads/1/3/0/7/130775528/redojoperati.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/1/0432/1142/3902/files/fobisagosojo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1961/6935/files/nezejopekomozanemigen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5744/6038/files/47009047418.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4391/2856/files/42445206620.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7891/0106/files/getej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9456/4252/files/98648621998.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9503/8877/files/29951988758.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8007/0808/files/iron_jawed_angels_question_sheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9540/0356/files/les_autres_et_moi_isabelle_filliozat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9027/1642/files/6681870380.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5702/9018/files/girl_scout_daisy_handbook.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4207/8877/files/zunilemilifowovo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8226/1415/files/zinetibejemabi.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_off00005f62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F62 | 5576 bytes |
SHA-256: cc06c065a9d65304e7d7ce8cc220e7cfd217dd052ab0acfdaca5eeb5faaa3601 |
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font_01_sfnt_off00007241.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7241 | 11964 bytes |
SHA-256: 153144ed8ee4cf2fb7e526e70ea8ebae77272f985ac6318789902d23d4e055e5 |
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