MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the string 'Happn app premium apk' and the malicious URL, suggesting a lure for a fake application download. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms the presence of a link to malicious infrastructure.
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.ru/pify?keyword=happn+app+premium+apk In PDF document text
- http://files.newenergyera.org/uploads/1/3/0/8/130874612/1019597.pdfIn PDF document text
- http://files.varanasiastro.com/uploads/1/3/2/6/132696117/titozamozid.pdfIn PDF document text
- http://files.oldpostfarm.com/uploads/1/3/1/3/131378921/wokixopisoxufu_vexadev_soresek.pdfIn PDF document text
- http://files.chicosierra.com/uploads/1/3/0/7/130775192/9881432.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/1/0437/1965/5579/files/zulegi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7941/7504/files/organizational_chart_template_free_editable.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/76410179135.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6980/9575/files/busijoxofumovakaxemam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6843/2288/files/64136015279.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3488/5796/files/50301553109.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4545/3985/files/dewiruxadifodikamuso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1338/1028/files/53761398459.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6931/7020/files/57486344913.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5081/0014/files/kezeta.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1631/4277/files/64740111836.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2829/9428/files/48531661560.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2666/8952/files/resupapisekijuduj.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006f00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F00 | 4780 bytes |
SHA-256: dbc3ad707fd0c39a46d4f2ad3970a9ab97da86c00808b88e6be783cb5780f0a0 |
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font_01_sfnt_off00007f1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F1C | 3520 bytes |
SHA-256: ff9e0d8c346e8e1a789f460ba9625fd915602772792e6567a21dc7a4e95d7359 |
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font_02_sfnt_off00008d46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D46 | 10816 bytes |
SHA-256: abb6fcd93f85c233d25b0154b2afe4bdc6d5f3fd62954e7f590d33a243e9416a |
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font_03_sfnt_off0000b27f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB27F | 16404 bytes |
SHA-256: ed2263b5b1b87d26feaf6dd51e52c1edfdc2b91619b86c665742d6f4c666f530 |
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