MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded links, with a critical heuristic firing for a redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains text related to 'Actualizar whatsapp 2018 android', suggesting a social engineering lure. The presence of numerous links, including a link farm, and the ML classifier's high confidence score indicate a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=actualizar+whatsapp+2018+android In PDF document text
- http://files.clipperoutlet.com/uploads/1/3/1/3/131381109/9633431.pdfIn PDF document text
- http://ledifaro.simplycreativetreasures.com/uploads/1/3/1/6/131606271/25a91937a.pdfIn PDF document text
- http://tunok.coachtbasketball.com/uploads/1/3/1/8/131855981/binelekevulid.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/1/0436/9465/3595/files/alphabetizing_words_worksheets.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7016/8992/files/5385673234.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1254/5950/files/48686850064.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9235/2932/files/4335796548.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2027/1264/files/48546838471.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7473/8593/files/mofofakovuzizenifas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4027/6642/files/70798770.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7365/9290/files/5062926047.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6397/5835/files/73524244278.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0717/9941/files/20440296358.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5709/4551/files/mizavaparozeniwovuvi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8223/6583/files/78386490171.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_off00005b57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B57 | 5576 bytes |
SHA-256: d9fa93133ebe30bc2e17729ae608732bb4ac438259fac1d48c484cb254639af6 |
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font_01_sfnt_off00006e52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E52 | 10068 bytes |
SHA-256: 274bfa7f6635ed72a4112fe77b3428eeb834c00e2ba9fc74707ca20d54c83196 |
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font_02_sfnt_off000090b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x90B9 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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