MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a heuristic firing indicating a malicious redirector link. The embedded URL, https://ttraff.ru/pify?keyword=behavioral+biases+in+investment+decision+making+pdf, is identified as a known malicious redirector. The document body, though heavily obfuscated, contains this URL, suggesting it is the primary mechanism for luring the user to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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.ru/pify?keyword=behavioral+biases+in+investment+decision+making+pdf In PDF document text
- http://files.sproutsmyanmar.com/uploads/1/3/2/3/132302863/giburapudiga-dojowul.pdfIn PDF document text
- http://files.secondsundayride.org/uploads/1/3/0/7/130775979/mokole-pagop.pdfIn PDF document text
- http://files.blmslibrary.org/uploads/1/3/1/6/131606644/ebdfe5.pdfIn PDF document text
- http://files.harestanesglassstudio.com/uploads/1/3/0/9/130969558/mesakilijejabikulu.pdfIn PDF document text
- http://files.independenceconcretecontractors.com/uploads/1/3/1/8/131871938/3660508.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/1/0434/9827/4978/files/12107878127.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/19252536586.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/3220/4696/files/farolibulezumizopop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5670/9273/files/free_printable_math_worksheets_for_1st_grade.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3913/5643/files/60631100254.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8691/3442/files/tivoxizawiwumotiribawoli.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7920/5013/files/vavojojotegox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9315/6259/files/18767679586.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6038/8259/files/sugigadorak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8621/6352/files/rapeguf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3196/9438/files/30958801130.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vuvitew.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00034d7d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x34D7D | 5884 bytes |
SHA-256: 579a81b9e3dba0f35d96ac7de56ff9a51bfb7f49193a6c08e22bde0e0386480a |
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font_01_sfnt_off00036161.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x36161 | 16008 bytes |
SHA-256: 072d2e29066b779d35fa654b98483f2124e7f15dcfe1f9399f769d202c9b0629 |
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font_02_sfnt_off000393c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x393C9 | 16148 bytes |
SHA-256: 49436f94d5abf10ca6af8af9848174aab82dfe7bc58a5146411d238fd5c76648 |
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