MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a redirector, which is a common tactic for phishing and malware distribution. The document body, though heavily obfuscated, contains text related to 'Android mobile phone reviews 2019' and the malicious URL. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms the presence of a malicious redirector, and PDF_SEO_LINK_FARM indicates a large number of external links, suggesting a link farm for SEO manipulation or traffic redirection. The ML_NYX_PDF_MALICIOUS score further supports the malicious nature of the file.
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=android+mobile+phone+reviews+2019 In PDF document text
- http://pokokoxa.bernedoodlebreeder.com/uploads/1/3/1/6/131606260/26095.pdfIn PDF document text
- http://files.charlietaylorphotography.com/uploads/1/3/2/7/132741241/sajodolibububal.pdfIn PDF document text
- http://files.libbyfarrelly.com/uploads/1/3/1/3/131398091/vabijoratibis.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/1/0437/5068/6874/files/golebegomorilipifusagina.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8828/9694/files/49243455871.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3056/9382/files/cours_complet_sur_l_algorithme.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0459/9139/5485/files/xusalenexokoxukigigo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9373/7118/files/biochemistry_for_medical_students_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/7802/9213/files/oxford_ib_diploma_programme_biology_course_companion.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0154/3830/files/ecological_pyramids_worksheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7516/5594/files/dafuwavigar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2521/1298/files/80825708570.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2341/6995/files/shopify_templates_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1753/3597/files/warasanabepolobigasavo.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_off00007dff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DFF | 5460 bytes |
SHA-256: 9d63de5fe1876a76754f3c1bffdaad208fc5b846c199185a694b4704eb7347a2 |
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font_01_sfnt_off00009059.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9059 | 10364 bytes |
SHA-256: ea1fe644502cc86955f79e6bc2ebc45ce49a4012a08993756e1e78e29120ec9d |
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font_02_sfnt_off0000b3d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3D7 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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