MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded links, with one pointing to a known malicious redirector infrastructure at 'ttraff.ru'. The document body, though heavily obfuscated, contains text suggesting it is a 'datasheet catalog diode', a common lure for phishing or malware delivery. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm used to obscure the malicious redirector.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=datasheet+catalog+diode
- http://files.oharts.net/uploads/1/3/0/7/130740118/kumewinudep.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0461/9275/4839/files/99263096801.pdf
- https://cdn.shopify.com/s/files/1/0429/9204/2137/files/vagolovalofe.pdf
- https://cdn.shopify.com/s/files/1/0435/5942/0063/files/half_centimeter_graph_paper.pdf
- https://cdn.shopify.com/s/files/1/0431/5407/9910/files/lovipatigegufunerit.pdf
- https://cdn.shopify.com/s/files/1/0428/2921/7958/files/xadevimusunopakivew.pdf
- https://cdn.shopify.com/s/files/1/0433/4750/9416/files/vojiruposidigima.pdf
- https://cdn.shopify.com/s/files/1/0428/0346/2303/files/41018940810.pdf
- https://cdn.shopify.com/s/files/1/0434/4355/2423/files/99828023497.pdf
- https://cdn.shopify.com/s/files/1/0438/9899/4856/files/fibixema.pdf
- https://cdn.shopify.com/s/files/1/0430/1524/1891/files/business_model_analysis_example.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000583a.bin1619990cb9d42ef68d2b13763c5fa766536322f0f18a94ecd9059cbd07390835 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x583A | 4788 bytes |
font_01_sfnt_off0000688b.bin63eb9f1ce02604c0929abaad571e82d4501fedf8fdd728a00df9a69bcc10c43a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x688B | 14320 bytes |
font_02_sfnt_off000094c6.bin0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x94C6 | 4324 bytes |
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